| V | Select / move parts |
| S | Sketch (Free, Polygon, Circle, Oval, Square, Rectangle) |
| T | Thruster — drag from center toward the nose |
| P | Hinge (world or between overlapping parts) |
| M | Motor — driveable hinge (assign keys in properties) |
| A | Anchor tool — click a part to toggle fixed |
| O | Rotate tool — click/drag a part to spin it |
| [ / ] | Nudge selected part ±15° |
| W | Weld two parts (or part → belt to clamp) |
| R | Spring |
| C | Cable |
| I | Piston (hydraulic) |
| B | Belt — click two hinged pulleys |
| L | Clamp — stick a part onto a belt |
| U | Tracks — tank treads on a belt |
| H | Switch |
| E | Wire (electrical) |
| F | Toggle Fixed on selected part |
| Shift+click | Add / remove part from selection |
| Stacked click | Prefers small loose parts; click again (no drag) to cycle underneath |
| Alt+click | Open the pick list for overlapping objects |
| Follow (sidebar) | Camera tracks selection; 2+ parts zoom to fit |
| Delete | Delete selection |
| Ctrl+Z | Undo |
| Ctrl+Y | Redo |
| Ctrl+C / X / V / D | Copy / Cut / Paste / Duplicate |
| Ctrl+J | Join selected parts into one shape (must overlap or touch) |
| Drag on empty space | Window-select parts fully inside the box (Shift adds) |
| Esc | Stop Play → cancel gesture → clear selection → Select |
| Enter | Close freehand sketch, or commit typed size in the drawing console |
| Drawing console | Bottom-left while Sketch/Thruster is active — instructions + typed R/D/W/H/… |
| Typed size | Click center/corner, then type a size and Enter (or drag). Digits focus the console |
| Freehand L / A | After the first point, type segment length and angle (°) then Enter; empty Enter closes (≥3 pts) |
| Freehand Line / Curve | Line = straight edges; Curve = smooth spline through the same points |
| Gear | Sketch → Gear: set Module, click-drag from center to size (tooth count follows). Same-module gears snap to mesh distance |
| F3 | Toggle object snap |
| F8 | Toggle ortho (H/V drawing; 15° while rotating) |
| Shift | Temporarily bypass snap / ortho |
| Ctrl+right-click | Quick snap kinds menu |
| Right-click | Context menu (copy, scale, flip, …) |
| Middle-drag / Space+drag | Pan the view (edit mode; middle-drag also works in Play) |
| Scroll | Zoom |