| Drawing (walls & terrain) | |
| Drag | instant straight wall / rectangle of terrain |
| Shift + drag | circle — a wall ring or a round patch of terrain |
| Click, click, click… | place points one at a time |
| Double-click / Enter | finish the shape |
| Click the first point | close a wall into a loop |
| Backspace | remove the last point while drawing |
| 💎 diamond handle | drag to curve a segment · double-click to straighten |
| ⚪ round handle | drag to move a point · double-click to delete it |
| General | |
| V | Select tool |
| Arrow keys | nudge selection one grid square (Shift = fine) |
| R | rotate selection 90° |
| D | duplicate selection |
| Ctrl+C / Ctrl+V | copy / paste |
| Ctrl+Z / Ctrl+Y | undo / redo |
| Delete | delete selection |
| Esc | finish drawing / clear selection |
| Right-click | object options (material, curve, layers…) |