Prism

Create a triangular prism with a constant cross-section.

Where to find it

Geometry workspace → Prism

How to use it

Choose Prism, then select the new or existing feature in Model Builder. Set Base width, Base height and Length, then position and orient its axis.

Result

Built solids and their selectable entities appear in Graphics.

Troubleshooting

This primitive is triangular; for another polygon, create a Polygon Profile and Extrude it.