An analog clock to convert to stepper motors. It uses two (2) magnetic sensors (A1302) with miniature 2x1 mm magnets. Two steppers are used to display hours and minutes and keeps time as it's connected to an NTP server (or Home Assistant in my case).
Clock remains on time and an "homing" can be remotely requested
Layer height 0.2mm
Wall thickness: 2mm
Top/Bottom pattern: lines
Bottom pattern initial layer: lines
Supports: not needed
Print speed: 45mm/s
Many hours of design to get the gears and steppers in place...
- 12V Stepper Motor with Metal Gearbox 36:1 (720 pulses)