I made a remix of Practice Filippi's "Finger catapult" - this works great for a cat treat dispenser. I needed one with a better finger grip.
The original can be found on Printables:
https://www.printables.com/model/941396-easy-to-print-finger-catapult
fingerpult.01.stl | 738.7KB | |
fingerpult.02.scad | 2.0KB | |
fingerpult.02.stl | 738.0KB |