Quantity   Component name
10 × 3D printed thumbwheels
1 × 3D printed head
1 × Magnifiying lens 7x Stripped out of a cheap hand held magnifier
24 × White LED 5mm
5 × Stainless steel bolt
1 × Wood base
4 × Wooden arms From an old garden parasol, planed and sanded to size/shape
1 × Cross bar Aluminum
1 × Lower support Aluminium
1 × Power socket
1 × Flexible cabling Multimeter cables with the plugs chopped off
3 × Rubber feet 4 might seem more logical but with 3 we can be sure it will always sit flat and not wobble