Enable your camera, then keep one hand visible in good light. Hold a gesture briefly so it can settle.
✋
Open palmSeparate the robot into its components.
✊
Closed fistBring all components back together.
☝
Point + pinchAim at a part and pinch to zoom into it. Hold up just your index finger to return to the whole model.
✌
Two fingersMove your hand up, down, left or right to rotate the robot through a full turn on either axis.
No camera? Drag to rotate, scroll or use + / − to zoom, and click any component. A assembles, E explodes, R rotates.