Cleaned up the numbers, removed holes and added features on the reverse side to conform to the rim of a 12" record. Included are 3,6,9 and 12. The backs of the numbers have grooves at their centres to help with aligning them correctly.

Also included some markers for the other hour positions.

Numbers and markers were glued on and a clock mechanism added to the back (e.g. this one)

Prusa

i3 MK3

No

No

0.2 mm

20%