Revit constrain angle. Select the element and choose Modify Sub Elements.

Revit constrain angle Then I can reduce the length of the extension. Now I've been sitting here for nearly 3 Welcome to Revit Learning Browse the navigation panel on the left or start with the essentials below. When aligning walls, use the Prefer option to indicate how selected walls will be aligned: using Wall Faces, Wall Centerlines, Faces of Core, or Center of Core. The best practice for creating flexible parametric families is as follows: Plan and layout the necessary reference planes and reference lines for the family. rfa(260. How to create a line based component that has an angle control. " In this case as I had already changed my elements from face based to regular family types because the angle issue was even more prevalent there. Jan 30, 2019 · Is is possible to make have the angle of a line or filled region edge adjust instead of the length of the line when locking endpoints? If I lock the endpoints of an angled line to 2 intersection reference planes, and adjust 1 reference plane, I get constraint issues. Therefore when placing the line, a choose the snap which is responsible for the intersectio Oct 28, 2009 · Share and download revit families, ask questions and share ideas in our forum and learn from our tutorials Jul 15, 2013 · Hello I need to constrain a handle to a butterfly valve and add a parameter for rotating the handle angle. Change wall instance properties to modify its location line, base and top constraints, height, and more. In elevation I added three angled symbolic lines to indicate the mirror material (typical glazing hatch marks). This framework is perfect between 1 and 89. Go into the view with scope box applied and draw a line perpendicular to something you know is correct (grids are a good place to start). This video deals with how to set up reference planes then constrain geometry to them Constrain: Click Constrain to restrict the movement of the element along vectors that run perpendicular or collinear to the element. It's a family issue anyway so I figured you architects would probably know the answer so I'm re-posting here. Unlock dimensions to allow their values to be modified and to move referenced elements. My idea is to combine both of these into one nested family and adjust Constraints build intelligence into the model, defining relationships and interdependencies between elements. if you sned a photo or screenshot from the originaly (realone not the family) what you wnat to make help me to more understand for example something like this gif: How to angle families and flex the geometry. To control the angular dimensions of a family, apply a labelled angular dimension to a reference line. You can of course draw in anywhere and align lock to reference planes by tabbing in to get reference line points. I was hoping to keep the same grid references but can't get the Revit grids to break on the Feb 8, 2021 · I need to make a family with an exemplary parameter of an angular dimension that allows modifying the angle between a reference plane and a reference line (with alignment constraint) to the extrusion. Nov 18, 2020 · i am making islamic arc familly when i change in arc radius lenght (1200)the angle of array stay fixed (60°) and stating point change as image 2 show what i want to do is to make starting point always fixed to the reffernce plan the resault is to make arc like this with perametre chnging numb Jan 11, 2010 · We have created a very simple table as Revit family. Your contribution will directly support the forum and ensure it remains a To control the angular dimensions of a family, apply a labelled angular dimension to a reference line. Typically a curtain wall is a rectilinear shape, but you can edit the profileof the wall to create different border shapes. Constrain any two shape-driven rebar sets in the project, at a specified distance, regardless of the bar shape or style. Similarly, how do you constrain lines in Revit?. Place in the desired location Lock a permanent dimension to create a constraint. It's offsetting that panel along the angled plane that isn't working. When I load them into my model they Mar 23, 2023 · Host the nested family on a ref line's plane and constrain the ref line rotation with an angle parameter. Click the lock icon to constrain the arc endpoint to the reference line. Have you ever built a family in Revit software and needed to create rotation and dimensional parameters because there were multiple moving parts? Everything Aug 12, 2019 · Instead of making that kind of a chain of constraints, make both angles from one horizontal reference plane. To change instance properties, select the element and change its properties on the Properties palette. Any clues? Oct 8, 2023 · You want to know how to rotate the light source in xy plane and constrain it with angle parameter in a lighting fixture family. If I lock the nested family the the origin (ignoring the the offset I need) it still breaks. I can't achieve this as when I constrain the handle to the valve the handle will not rotate without breaking the positional constraints. Aug 29, 2025 · Issue: "Constraints are not satisfied" message appears while rotating Reference Line. Jan 18, 2022 · The width and height of curtain panels are controlled by the curtain wall grid spacing in the project. Associate both angle parameters from both nested Apr 20, 2010 · Consider it like this: With an array in revit, to keep it fully parametric without breaking constraints, you need to nest a family for each direction or dimension you want to be variable. Press the Spacebar until the desired position is seen. I created a 2D Detail Component family for a door swing in plan, so we can adjust our door swings as instances depending on locations etc. Wall Borders- The border is the outer edges of a curtain wall. This is typically more challenging than perpendicular constraints using reference planes - in Aug 25, 2023 · In my experience Revit automatic constraints work OK in simple cases. To constrain a beam system, follow these steps: Draw the roof or floor element. So, you give two dimensions from the horizontal ref. Feb 14, 2025 · Hello. Using parameters, reference planes and reference lines. You can use reference lines to create a parametric family framework to which elements of the family can attach. I'm reacquainting myself with Revit after about ten years. Disjoin: Click Disjoin to break the association between the selection and other elements before moving. Jul 15, 2021 · Hello everyone I am creating double door family with two symmetrical swings. The following code sample illustrates, near the end, how to distinguish permanent Jan 11, 2010 · We have created a very simple table as Revit family. Feb 13, 2025 · Use dimensional constraints to create relationships between elements in a building model. The Dimension tool was used to create a sequential, multi-segmented dimension for the grid lines. If the lines themselves are locked (Not the end nodes which determine the radius) to reference planes, Revit will not allow a change in angle. One with Reference Line in 3rd or 4th quadrant and add Angle dimension clockwise (see right screen shot below). Follow these steps: Define reference elements that will mark the fixed point of reference line end. One of the angles will be constrained with a formula so that it depends from the angle that is between the two inclined planes. Mar 22, 2019 · You need to constrain the right end of the line to the reference plane on the right. For example, it can be intersection Jan 31, 2022 · I place a family on a reference line, when the reference line moves, rotation part work OK, but when I try to constrain it to the end of the reference line so that it stays at the end of the line, I get "constraints not satisfied". I have a nested family that I need to be able to control a height angle and a rotation angle on. The family (attached) seemed pretty fu Oct 8, 2023 · Workaround: Create two families instead of one: One with Reference Line in 1st or 2nd quadrant and add Angle dimension counterclockwise (see left screen shot below). I have also created an angle parameter from the front/back plane to the reference line to serve as the driving parameter for the direction of the curb slope. May 10, 2019 · I'm trying to create formulas based on trigonometric functions to define parameters in a family (I'm using Revit 2017). May 29, 2018 · Last avoid flexing (in the family) to zero or 90. Strong/weak reference: The reference planes will appear as “references” once the family is loaded in the project. May 6, 2024 · When changing a family parameter the following error is encountered in Revit: Error - cannot be ignored Constraints are not satisfied Also, when clicking to Remove Constraints, part of the family geometry is updated, but another part is not. I set the paddles up and have an angle parameter so that I can change the height angle of the paddles. Temporary dimensions created while editing an element in the UI are not accessible. Set up properly Apr 14, 2008 · Is it possible to angle a grid line? I'm working on constructing a Revit model of an existing office building for a T. You basically overrule those dimensions/constraints. I find that if I keep the extension a bit longer first that most any other change is tolerated. rfa in order to manipulate some blocks in Revit with ease. Dec 21, 2017 · Hello Revit Community, I'm trying to create a pendant Light Fixture family whose pendant changes the angle it is suspended at based upon the family type selected. The border is established by the wall height (defined by the base and top constraints instance parameters) and the start and end points of the wall. Dec 9, 2010 · RevitForum is a vibrant community for Revit users of all levels, and the best part? It's completely free to join and use! We keep the platform ad-free for signed-in members, to ensure a smooth and distraction-free experience. That means an angled line is constrained based on how its endpoints are defined in x/y dimensions. When you place permanent linear or angular dimensions, a lock control appears with the dimension. when I copy or move elements, I can check the "constrain" option that limits movement to 0°, 90°, 180°, and 270. The architect of record (using AutoCAD) used a grid line system that angles through the building to follow this form. In order to add Duct or Pipe elbow angles to a Schedule and generate it on tags, follow the next steps: Create Elbow Angle Parameter: Go to Manage tab and click Shared We would like to show you a description here but the site won’t allow us. Spot elevation and spot coordinate are represented by the SpotDimension class. Nov 19, 2019 · Added, ASD and Revit's constraints are only linear, never angular. Attached Files 12-Casework-Generic-Variable Curve Counter. Some Examples: Windows: Hold the shift key while dragging, and the window will lock into its horizontal position and maintain the sill height. May 1, 2018 · Leveraging parametric functions in Revit allows you to create intelligent content that responds to both arithmetic and user input. Holding down the shift key while dragging can constrain the element to move only in one direction, or to remove the constraint so you can freely place it. The standard workflow of creating a workflow is: -Create the 'frame' made of reference planes and reference lines. This parametric association makes it easier to re-use and adjust rebar patterns throughout the project and ensure that design intent is maintained, and the bars react correctly to changes of layout, bar sizes and rebar set Jan 22, 2015 · We are required to produce a drainage model which only uses manufacturer approved angles. I would like to join these parameters with grasshopper scripts. I have dimensions for 45 degree bends and 90 degree bends. Oct 16, 2018 · I constrain the family to the ref planes of the curtain panel so that it flexes with the panel size. I have nested them into my base family where I need them to rotate separate of each other. Nov 23, 2022 · When dragging most model elements, you can reposition the object anywhere you like. I know this is an easy question for you all there who works with Revit daily. The idea is simple; I took one end of a conveyor and made a family, took the other end of the conveyor and made a separate family. Here's an in-depth tutorial on how to set rotational parameters in nested geometry in Revit families. For example, I may lay out the perimeter of my building and then align and lock walls, floors, ceilings and roofs, even area boundaries on those reference planes. Also to note, the clamp family may be workplane based, but the axis of its rotation will probably need to be perpendicular to the workplane. Apr 30, 2007 · Forum Discussions and Support AEC Revit Revit Architecture Support Revit Architecture - General Angled curtain wall grid lines? May 1, 2018 · Leveraging parametric functions in Revit allows you to create intelligent content that responds to both arithmetic and user input. I When Angles is selected in the left panel, the right panel displays options for specifying the fitting angle that Revit will use when adding or modifying pipe. Select Use any Angle to have Revit use any angle supported by the fitting content. My question is how to constrain the angle? My configuration: OS: Windows Word size: 64-bit Version: 0. So that we will be able co Apr 4, 2015 · ‎ 04-06-2015 06:21 PM To constrain angles, use reference lines, not reference planes. When I enter 0 or 90 for the angle the value is accepted, but when I try to change it to something other that 0 or 90 I get "constraints not satisfied". Use any Angle - Revit will use any angle supported by the fitting content. The rest is a case of trigonometry, that you can solve using Munkholm's diagrams for triangles in the Revit Formulas for every day thread. Get eBook for Reinforcement in Revit: https://balkanarchitect. Examples Use reference lines to parametrically control the angle of a door swing. Jul 30, 2025 · An angular dimension with angle parameter is placed at Reference Line in Revit family. For example, it can be intersection Sep 3, 2013 · I applied a 90 deg angular dimension constraint between the top chord and the bracing flange but when I change the pitch of the top chord by increasing the Ridge Height Revit gives me a warning message that the constraint is no longer satisfied instead of rotating the flange! Solved by constantin. The rotational parameter was only on a single line segment. We will be Creating two different family one inside another. stroescu. Sep 4, 2012 · Take Tim West's example, it works fine for almost all angles except if you put the rotation to 0/180/270/360. For the second question, the void, there is no yes 021 Tutorial: How to work with angled grid lines in REVIT Architecture Greg Wheler 2. Therefore, in the MEP settings of the drainage model, we would need to add the new angles 88 and 69. While in placement mode, hover over the detail line. After you establish constraints, they will remain unchanged when the model is modified. Sep 29, 2021 · It is weird that, in Revit, the end point of a line can only to aligned to one plane. The issue occurs when I constrain the reference line to the horizontal plane and the vertical plane (left and right vertical plane respectively, which define the door width parameter) in order to create axis of rotation. normally you need two planes to constraint a point (such as a endpoint of line). Dec 31, 2019 · Solved: can i lock those two edge point? i want to make angled hinge point which can vary angle thankyou. I've done swing graphics before with both angle and revolve rigs, but the origin of the angle and the corner of the panel are always the same. plane Angle1 & Angle3 You make another parameter called Dec 4, 2007 · I've always assumed that it has to do with the length of the segments and the endpoint locations. The behavior occurs in Family Editor and the nested family is a line-based family. Select the element and choose Modify Sub Elements. Try to nest these two families into a third family (Insert>>Load Family). Essentially I need to create a 5/8" X 2' panel with a void and that void needs to be arrayed and then I nee Dec 9, 2014 · Hello, We can constrain circle's position by adding vertical and horizontal constrain to the circle's centre. Use this to add slope to the roof/floor. As you suspect, it’s not that different using parameters in Revit 2D profile and Revit 3D families. . - Use Align tool, tab on the 1st ref plane, click the end point of the ref line and lock. Dec 15, 2020 · The reason this breaks is that when the angle changes it wants to rotate the ref plane which revit will not do. Sep 6, 2017 · When creating families, I often need to add some simple detail or model lines to them. In my project,in the Mechanical Setting tool, under the Manage tab, I set the Elbow Angle Increment angle to 45 degrees, assuming that This quick tip will walk you through the ways in which the angle constrain command works inside of Autodesk Inventor. For this kind of constraint, Robin is correct, you should use a reference line and not a reference plane. Create constraints by applying locked dimensions and alignments, or attaching elements together (such as walls and roofs). I know there's a number of forum posts addressing this, but after reading and trying to apply the solutions, I still cannot constrain this nested family (in the attached file) to an angle parameter. iam to an *. Jul 27, 2010 · The constraint system in Revit isn't the best, nowhere on par with Solid Works, and it was constantly driving me nuts telling me that my constraint system was invalid when it clearly was not. According to the Revit documentation, the basic trig functions should be available; the "valid formula syntax" for them (sine, cosine, tangent, arcsine, arccosine, arctangent) are I am trying to rotate a extrusion with a pipe connector on, and it it an instance parameter, but once I give it a parameter it just says constraints aren't satisfied :banghead: Jul 26, 2017 · I'm new to Revit and how it's formulas is workin. I. Horizontal and vertical wall borders have mullion families Jan 12, 2015 · Share and download revit families, ask questions and share ideas in our forum and learn from our tutorials Sep 12, 2019 · Hi, Does anyone know if there's a way to adjust fitting angles after you placed the fitting and connected the pipe/duct? As for now, if I placed and connected a pipe/duct with a 45 degree angle and want to change that to a 60 degree angle, i disconnect the fitting/elbow and redo the "standard connection" with the You can lock dimensions so the dimension values cannot be changed, thus restricting movement of referenced elements. Mar 12, 2008 · Share and download revit families, ask questions and share ideas in our forum and learn from our tutorials Apr 18, 2024 · Not a reference: The reference plane can be used to constraint geometry, but it cannot be used as a reference once loaded in the project. Feb 13, 2025 · Sometimes when attempting to move elements within a Revit project, users find that elements seem to be constrained to only be moved in a horizontal or vertical direction. A constraint (dashed blue line) appears when you select its references, as shown in the following image. If you're in the family editor you can create a parameter to govern the angle and place angle dimensions for each parallel line and assign them to the same angle parameter. Use the Family Types dialog to flex the family again and verify the geometry works as expected. Dec 14, 2020 · Add angle constraints between each segment so you define each relationship clearly. The Dimension class represents permanent dimensions and dimension-related constraint elements. 68K subscribers Subscribe Select Lock to apply a constraint between the elements as they are aligned. The wall bracket needs to remain fixed, Dec 31, 2012 · The sweep needs to be able to generate a parallel segment and some resulting angles end up making Revit think it can't create it. Tried loading the Created Family in Project but they Connectors are not working as expected. This means your constraints must define angles explicitly (with dimensions and Reference Lines, what those were built for) when they are required. -Add constraints and parameters to the frame -Flex the frame to In this tutorial you will be able to learn Revolve, Angle Constraint. Jul 12, 2012 · When I try this, however, the angle constraints are not maintained because the path length and (top) profile 2 do not move and size with the parameter (the profile 1). Create a reference plane. and the configuration has two wings angling off a central core. May 7, 2017 · This is normal behavior. The company I'm working for wood like to transition over to Revit but I'm having an issue with a family I'm trying to create. I would simply use the "attach top" feature, to attach the column to the roof, then I would insert a face-based top plate at the sloped top of the column. You need to set the view rang in the ref level plane to show the lighting source firstly, then add angle dimension and add angle parameter for it. My question is are we able to add angles in the 'use specific angles' section of the MEP settings? If we Jun 21, 2023 · I am trying to join these two duct, although its uncommon inclination angle junctions, Mep settings said that for fittings Revit will use every angle supported, due To this where I will conveil to change supported angles for specific angles? Remember that Revit doesn't like dimensions to Geometry, and that you should be dimensioning to Reference Planes and Reference Lines to constrain your Geometry by. It is easy to just use an overall and create a half overall and constrain itand "get over it" Aug 10, 2022 · Hey guys, I exported an *. You know angle "A" and you know distance "b" (your Width). When you begin to create complex Revit family, with more solid/void objects to handle, then you need to create a reference planes/lines to minimize the parameters number. What others said, in the green bar at the top after you start the move command there is a tick to Constrain, also have a look at snaps, you can set what angles Revit automatically suggest and you can also override snap to point etc with pressing the shortcut that is written next to each snap once you’ve engaged the move command to override Oct 30, 2020 · Hi all, I'm working on a face based family that needs a rotating framework between 0-90 degrees. Revit normally create some standard constraints. Unlike reference planes (with infinite extents), a reference line has specific start and end points and can be used to control the angular constraints within components such as a web truss, a door with an instance door swing, or an elbow. In this BIMsmith Revit Tutorial, Pete Heibel covers the basics of a useful workflow when defining parametric arrays, including nested families, reporting/instance parameters, and constraint Oct 3, 2017 · The angle dimension seems flip automatically in ways that seems to cause errors. Help! I've tried looking at the door swing posts Jul 15, 2013 · Hello I need to constrain a handle to a butterfly valve and add a parameter for rotating the handle angle. The settings for fitting angles can be copied to another project using the Transfer Project Standards feature. Other way, more suitable in some situation is to constrain the position using polar coordinates. You could only typ in a value betwen 100 and 500. Tile this view with the Plan Jun 26, 2025 · Creating Elbow shared parameter for angle and bend radius in schedules and generating it on Tags in Revit If the parameter is a System Family it cannot be scheduled automatically for the different families with same diameters. Use reference planes for vertical and horizontal constraints, only. May 22, 2025 · You want to know how to constrain a beam system to a roof or floor, so that when you modify the slope the beam system updates accordingly. They are not connected to each other or the mirror geometry in any way. Mar 21, 2014 · Hi, Is it possible to add new angle under the catergory ' use specific angle ' (which is a new option for constraining angle) in Revit 2014? Thanks If you're not using explicit reference vector angle constraints, then you should be! This is really the only way to do constraints if you don't want your ass Apr 4, 2018 · Hi Everyone! I've run into an issue that seemingly wasn't there before and I can't seem to figure out a way forward. The rotation can be completed when the nested family is not aligned to the Reference Line. I never could find a good solution, so I ended up just making the detail component as a series of thick lines instead of a masking region, and that seemed to work. Jan 8, 2015 · What you are doing might not be necessary. Floor slab edges are classified under host sweeps. Once you do this the family will not flex using the same desired rotation point at the host family origin and now uses the opposite end of the reference line instead. What is desired is that it allows the extrusion to rotate at the angle entered in said exemplary pa To control the angular dimensions of a family, apply a labelled angular dimension to a reference line. As you can see in Screenshot #1 I have created a reference plane from which the pendant is extruded from and then the constraint is Jan 14, 2022 · Hello, I need two slopped reference "planes" at two locations with parametric angle (changeable) to place a model, （some like a slop with an object car thereon), --- I can only draw 2 vertical/horizontal ref planes to define the angle, then the angle reference line can only be locked to "baselin Modify instance properties to change its angle and offsets. Use the Angles pane of the Electrical Settings dialog to specify the fitting angle to use when adding or modifying cable tray or conduit. Aug 4, 2008 · Share and download revit families, ask questions and share ideas in our forum and learn from our tutorials Click the lock icon to constrain the arc endpoint to the reference line. May 31, 2018 · Hello Revit users! Usually when I create a model in Revit (not necessarily a family), I use reference planes as guides to constrain all other elements on them. If you want to lock them, change the spacing to specific dimensions via Edit Curtain wall type. Angular parameters applied to a reference line also control the elements attached to its face. I usually want the beggining as well the end of the line to be at the intersection of reference lines / reference planes. Select Use Specific Angles to enable or Jan 27, 2025 · Constrain the extrusion's endpoint to the reference line, ensuring it dynamically adjusts as the angle changes. Oct 8, 2025 · How to make the rotation of nested family component work in a specific Revit family? "Constraints are not satisfied" message appears when changing the angle for rotation of a nested family. Important: Constraints between geometry in the family will behave unpredictably when you adjust parameters. Go to Solution. This happens when entering another angle parameter value if the nested family is aligned to the Reference Line in Revit. May 22, 2024 · Hello everyone, I created a parametric family with blend and made angle adjustment parameter because I would like to make the trapezium. Dec 31, 2012 · Thanks, the reference lines are on the workplane of the revolve, and are locked to the origin. Load the family into the project and you'll find you can use those angles without complaint. Attached is an image of the nested family Make sure the fitting family you are using has an Angle family parameter with reference lines that are not locked. Level Lines Mar 17, 2025 · Hi, I tried asking this in the MEP forum but didn't get a reply. As soon as you place a constraint the temporarily constraints from Revit will disappear. To make the family reliable, be sure to constrain geometry to levels, reference planes, or reference lines. Set the "Is Reference" parameter to "Not a reference This is the second part of many in my series relating to creation of Families in Autodesk Revit. Feb 20, 2013 · Greetings, I just created a Copper (Type L) Pipe Elbow, based on a specific manufacturer's dimensons. RevitForum is a vibrant community for Revit users of all levels, and the best part? It's completely free to join and use! We keep the platform ad-free for signed-in members, to ensure a smooth and distraction-free experience. To prevent the line from moving, constrain one of its ends to other reference elements. Since the two angled parts need to line up, you will need to associate the angles from both to the same parameter in the host family. You'll probably get constraint errors trying to move away from zero or 90 afterward. Share and download revit families, ask questions and share ideas in our forum and learn from our tutorials Jul 16, 2021 · I am working on a project where I have to assign angle parameters to Dimension built-in group in Revit API c# Here the angles are available in degrees as shown below When I set the value in degree Constraints in Revit allow you to lock elements and establish relationships. Help! I've tried looking at the door swing posts Sep 22, 2017 · Your Noseover Angle = more than 90. Eventually Revit tries to figure out how to manage the location of the points orthogonally. 0 KB Sep 2, 2025 · Is it possible to constrain the nested family in a host family to be able to move that parametrically in the properties in the Revit model? To constrain the nested family and enable changing its position parametrically from the Revit properties, use the following steps: Place a nested family in a host family. Sep 3, 2013 · I applied a 90 deg angular dimension constraint between the top chord and the bracing flange but when I change the pitch of the top chord by increasing the Ridge Height Revit gives me a warning message that the constraint is no longer satisfied instead of rotating the flange! Solved by constantin. Here are 5 formulas and their required syntax that I believe every Revit user must know when creating parametric BIM content in Revit. First, you need to find distance "c". I would take that from the horizontal so that ir is similar to the angle parameter on the Incline. Open a section or elevation view showing the roof/floor. Turn on Automatic Sketch Dimensions to see what turns on as you try to constrain things in various ways. When you place a permanent dimension, you can click the lock icon for the dimension and create a constraint. Aug 8, 2019 · To solve, change project units angle precision to custom and add a bunch of zeros. Oct 3, 2025 · Revit's angle parameter has some limitation when user is dealing with 0, 90, 180, 270 degrees angle. When either constrained element is moved, the other will move with it to maintain the alignment. I happen to have things to copy in 45° and wonder if there is a way to add angles besides the 0°, 90°, 180°, and 270°? I can manually adjust to 45° and Revit does an OK job locking onto Oct 15, 2013 · It seems with Revit you always have to find a "work around. Permanent dimensions and dimension related constraints. How to constrain the geometry so that it will follow the changes of the Angle parameter? Today's video comes to you via a subscriber request - constraining Revit families at an angle. Jan 30, 2020 · Solved: Hello, I'm creating a family and wanted to see is it possible to add constraints to a void? The main object extrusion has Length, Width, and Oct 8, 2023 · How to rotate an object to a specific angle during placement using the spacebar in Revit To rotate an object to a specific angle during placement: Draw a detail line at the desired angle. Also, you can constrain geometry that needs to stay at a certain angle with just vertical and horizontal reference planes, using trigonometry. Click the dimension icon to make the radius dimension permanent, and on the contextual tab, label the radius with the door width parameter. Your contribution will directly support the forum and ensure it remains a Sep 11, 2019 · Solved: Is there a way to constrain an arc length so as I adjust the radius the arc length stays the same. When parameter value is changed, the Reference Line moves instead of being rotated. I am trying to create pan & tilt parameters in an existing CCTV camera family. Yes you can constrain an end point of a ref line to an intersection of two ref planes. Many dimensions may correspond to the same constraint. I would like to know how I make a "length" parameter that is going to have a limit between 100-500mm. You can then lock the end point of that ref line with the centre-point and it will rotate using the ref planes you have constrained your angle dimension to as the angle value. com/p/e-book?utm_source=youtube&utm_medium=54YT24Get Reinforced Concrete Structure Template - M Oct 5, 2016 · Learn how to modify the lookup table for Revit Pipe Fitting families and use long radius elbows at specific angles in your piping runs. So, if Awhile back I made a post about making a portion of a masking region have a rotation angle to account for different roof slopes. When I change the Family Type parameter to another door style I get "Constraints are not satisfied". Mar 13, 2019 · I have aligned the endpoint of the reference line to each of those planes and locked both constraints. Jul 30, 2025 · Issue: The geometry following a changing angle is required in a Revit family. Jun 15, 2018 · Solved: My First Revit Family for Cable Tray Fitting. To fully test all angles, load the family into a project and adjust the angle parameter within the project. To establish an equality constraint from the dimension, click the Equality icon. We would like to show you a description here but the site won’t allow us. However, if you still want to continue what you're doing: for the first issue, use a nested plate, and constrain it as shown in the attached image. This option is useful, for example, when you want to move a wall that is joined to another wall. Set an Angle Increment - Specifies the angle increment to use to Jan 10, 2011 · EXCEPT: Once I set the Angle to 90, the NEXT time I try to change it, I get "Constraints are not satisfied" The weirdest thing is that the constraint its complaining about is the original Angle. Sometimes this is a bit cumbersome. You need to setup the angle controlling parameter when the line is at zero degrees to its reference line, any other angle will not work. To help us keep RevitForum running strong and ad-free, consider making a small donation. wmvn jkobcm kxkppj emuq izrp mfwr kceg heesfyb zsdqfj sdwh upww rzdcz ife uyac jsu