Animated dodecahedron (12 pentagonal faces, 20 vertices). This will run in 'BBC BASIC for Windows', 'BBC BASIC for SDL 2.0' or 'Matrix Brandy BASIC'. Alternatively you can run it in your browser by following this link (in Facebook's mobile app use 'Open in external browser'). Click 'Fullscreen' for best effect. https://wasm.bbcbasic.net/bbcsdl.html?app=bbcbasic.co.uk/webapps/dodecahedron 10 REM Animated dodecahedron in BBC BASIC 20 REM!Keep Phi,phi 30 40 MODE 9 : OFF 50 ORIGIN 640,512 60 70 REM