A clock that runs by balancing marbles on a teeter totter! Once every ten minutes, the top seesaw tips, dropping a ball onto the the 10 minutes track. Every hour, the 10 minutes track tips, dropping a ball onto the Hour track, and every 12 hours, all the tracks tip, and the clock starts from 1.

I have included the step file to help you with assembly! Feel free to make mods at your pleasure, however note the files are for personal use only.

This video shows the whole assembly process:

https://youtu.be/GmLEBhJY5ks

The STL File:

Prints on all standard 3d printers, requires the following additional parts:

11 3x10x4 bearings: https://geni.us/ytgU1tC M3 Screw Kit https://geni.us/CnX30 32 0.5in ball bearings: https://geni.us/uLEbw Nema 17 Motor https://geni.us/IbL6D0 1 GT2 Pulley https://geni.us/l3MG You will also need a way to drive the Stepper Motor:

I recommend this board: https://geni.us/2sH7WYY Real Time Module (Optional): https://geni.us/rtKYLJT (Here is a really good tutorial for driving clocks with a stepper motor: https://www.youtube.com/watch?v=PR4PXR7RXEY&t=253s)

Recommended print settings:

Layer Height: 0.2mm

Nozzle: 0.4mm

Infill: 15-18%

Can print on any standard sized printer.

**All the files have been pre-oriented to save you some set up time! All you need to do is drop the parts into your slicer and hit print!