Transforming Geometry by Affinity

You can transform geometry using an affinity operation.

Before you begin: Create a 3D shape containing a geometric element.
  1. From the Transform section of the action bar, click Affinity .
    The Affinity.x dialog box appears.
  2. Select the Element to be transformed by affinity.
  3. In the respective boxes specify the following characteristics of the axis system to be used for the affinity operation:

    • Origin
    • XY Plane
    • X axis

  4. Specify the affinity Ratios by entering the desired X, Y, and Z values.


    Ratios X = 2, Y =1 and Z=1

    Ratios X = 2, Y =1 and Z=2

    Ratios X = 2, Y =2.5 and Z=2
  5. Click OK to create the affinity element.
    An Affinity.xxx feature is added to the tree.