Pushing and pulling with Extrude
Extrude turns a flat footprint into a building, and reshapes a block once it's one.
To extrude a face
- Switch the bottom toolbar to Massing and click Extrude.
- Click a face and drag along its normal.
- Click to commit, or type a distance and press Enter.
Push the top cap and the height changes. Push the bottom cap and the base moves. Push a side face and its two footprint corners move with it. After a push you can type a new distance and press Enter to change the last push.
Extrude works on the model, so arming it from plan switches you to Split, where the 3D view is on screen.