Save design Ctrl + S Undo Ctrl + Z Redo Ctrl + Y Delete selected part Delete Backspace Reattach selected part K Mirror selected part N Deselect parts Tab Prevent part selection Left shift Group parts G Toggle performance analyzer O Tool Modifier Left control Right control Select move part tool V Select rotate tool R Select translate tool T Select paint tool P Select part shape tool F Select symmetry tool M Toggle part connections panel C Previous symmetry mode Z Next symmetry mode X Rotate part X+ W Rotate part X- S Rotate part Y+ A Rotate part Y- D Rotate part Z+ E Rotate part Z- Q Nudge part X+ Shift + D Nudge part X- Shift + A Nudge part Y+ Shift + W Nudge part Y- Shift + S Nudge part Z+ Shift + E Nudge part Z- Shift + Q