How to Parameterize Regular Polygons in Revit
Parameterizing regular polygons in Revit can be quite challenging and typically involves creating a nested family. Below is a step-by-step guide on how to parameterize a regular polygon.
1. Start by creating a new metric standard model. Add parameters according to your drawing, and lock the ends of the lines to the reference planes to enable parameter control, as illustrated in the image below.
2. Next, create a new metric generic model. Load the previously created family into this model and place it on the reference plane. Then, link the corresponding parameters to the new family, as shown in the figure.
3. Use an array to create multiple instances of the loaded family around a reference plane. The intersection point of the reference planes should form a circle with a 360-degree rotation. The circular array setup is depicted in the image below.
4. Parameterize the array’s numerical values. Click on the linear dimension to display its value, then parameterize the total number of array instances, as demonstrated in the figure.
5. Finally, in the family parameters section, set up the calculation formulas for the parameters as shown in the diagram. This allows you to control both the size and the number of edges of the polygon through parameters.
You can now easily adjust the polygon’s dimensions and number of sides using these parameters, as illustrated in the image.
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