A ball thrower for dogs. No electronics. It is designed so that the dog only needs to do two tasks, put the toy in the right place and push down the plate and the toy is thrown away. you can vary how far the toy is thrown by varying the number of rubber bands. All that is needed are some rubber bands and two screws. it can be printed in different scales.

screw 1: Diameter 5 and minimum length 70mm.

screw 2: Diameter 3 and length 13-20mm.