Splitting and Extruding a Mesh Face

1. Create a mesh box primitive

2. Mesh Modeling tab > Mesh Edit panel > Mesh Split Face

3. On the mesh box, select a face to split

4. Click on an endpoint to specify the first split point

5. Select another endpoint to specify the second split point

6. The rectangular face has now been split into two triangular faces

7. Mesh Modeling tab > Mesh Edit panel > Extrude Face

8. Ctrl + select to select a triangular face as the face to extrude

9. To specify the extrusion height, enter a value and right click , or move the cursor and click

10. The extruded face is completed

Set the smoothness to none when splitting and extruding faces