Allow camera activated by your browser.
Works best on desktop browsers.
If using mobile, hold away device 1/2 m from your gesture hand.
iPhone: Settings > Camera > App (Safari, Firefox...) > ask
Use the 3 hand gestures to manipulate the object:
👋 Open Hand: Rotate object
✌️ Peace: Switch object - hold for 1s
🤏 Pinch: Zoom in/out