The file 'Square Mystery Clock – Can You Guess How It Works? 3D Printer Model' is (ino,stl,blend) file type, size is 1.1MB.
Square dial mystery clock.It does not have transparent rotary disk because it never fit in the frame. Can you guess how it works? Of course, it has a motor at the bottom. The question is how to drive the hands through transparent glasses.
Please google with the words "square mystery clock" to see the original antique fancy clocks in mid-19th to early-20th century.
Update Feb 24, 2021
arduino-code-for-mystery-clock-8phase.ino | 2.1KB | |
axis-rear-cap-optional.stl | 46.8KB | |
drive-crank.stl | 93.6KB | |
frame-front.stl | 70.2KB | |
frame-rear.stl | 2.2KB | |
gear-retainer.stl | 71.0KB | |
gear1.stl | 58.7KB | |
gear2.stl | 180.0KB | |
gear3.stl | 44.2KB | |
hour.stl | 242.3KB | |
index.stl | 26.6KB | |
intermediate-gear.stl | 70.4KB | |
main-crank.stl | 58.5KB | |
min.stl | 35.4KB | |
motor-gear.stl | 40.7KB | |
motor-holder.stl | 311.8KB | |
mystery4.blend | 2.8MB | |
spacer1.stl | 23.5KB | |
spacer2.stl | 23.5KB | |
stepper-test.ino | 1.0KB |