Use this procedure to create a Right Triangle mass element. The insertion point of a Right Triangle mass element is at the centroid of its bottom face.

Right Triangle mass element in 3D and plan views
- On the Massing tool palette, select the Right Triangle tool.
Alternatively, you can click
.
- Specify the first corner of the Right Triangle.
- Drag the cursor and specify the second corner of the Right Triangle.
- Drag the cursor and specify the height of the Right Triangle.
- Enter a rotation angle, or press Enter to accept the default angle of 0.
- Continue adding Right Triangle mass elements, and press Enter.