Mechanism 228 is a recoil escape mechanism, powered by a mainspring and regulated by a pendulum.

Print components as shown in the picture, following the orientation on the build plate.
Supports may be needed for the C-clip grooves on the frame and the knob area of the mainspring, depending on your printer.
For the pendulum, you’ll need four marbles. Watch the video for assembly instructions.

Doesn't Matter

Yes

0.2

15