Basic Catapult

thingiverse

Here is a simple but fully working basic catapult. Just add a rubber band over the top frame hook fasteners and around the backside of the arm itself. You will need the following pieces: 1x Main Frame 1x Arm 2x Strainers 2x Arm Plugs 1x Arm Plug Connector 4x Wheels 3x Shafts The Arm fastens with the two Plugs in the center bottom of the Main Frame from either side. The Arm Plug Connector holds the Plugs together. The three Shafts are for the two wheel axles and the Strainer. These are glued into place (wheels/strainer+shafts only) and should be able to turn in their respective holes. You can add a piece of string to the arm hook going down to the Strainer Shaft to be able to load back the catapult realistically. Everything should be able to be printed without any support, except for the Strainer piece that would need something for the pulleys. Good luck and have fun!