Other Gadgets
Go to Model
Ball-powered pendulum timer
102
Downloads
43
Likes
0
Makes
Duration of this timer can be set by the number of steel balls, 30 seconds per ball. Only the last ball rings the…
shiura also publishes on
88 additional models across 2 more platforms
Did you print this model? Sign in and share your make!
Sign in to leave a comment
Sign inNo comments yet – be the first!