The ScatterCannon

thingiverse

UPDATE 3/10/2020 Reworked Dart pivot opening to prevent catching on pusher O ring during priming. UPDATE 26/9/2020 PlungerTubeHead is redesigned for increased airflow. ShellFrontB, DartPivot, and Barrel are updated to support new design. Build guide is updated with changes. UPDATE 5/9/2020 RatchetPiece is tweaked for higher spring loads. Build guide is updated with plunger tube noise dampening step. UPDATE 30/8/2020 PlungerTubeHead reinforcement is added, and ShellConnect and polycarbonate tube length are adjusted to accommodate reinforcement. Rubber padding slots are added to PlungerTubeHead. A shorter slimmer barrel is added. UPDATE 7/8/2020 SpringRetainerCap is redesigned for a 12KG rotofury upgrade spring. UPDATE 5/8/2020 Barrel is redesigned for consistent firing of all three darts, but reduced compatibility with wide head darts. New barrel cover pieces are added to fit new barrel. UPDATE 19/7/2020 Critical mistake in RV4 pump grips is fixed, and they are replaced in downloads. UPDATE 16/7/2020 Pump grip pusher tracks are changed for improved empty magazine lock functionality. A shelf is added for rubber padding on the pump grip guide tab. Slot end shape on ShellCap is updated to accommodate additional rubber padding. Build guide is updated with new information. UPDATE 2/7/2020 JamDoor and JDBlock are tweaked. UPDATE 8/6/2020 RatchetPiece and PumpTabs are re-exported and uploaded to fix broken faces and incorrect formats. UPDATE 22/5/2020 Critical mistake in RV4 pump grips is fixed, and they are replaced in downloads. Pump grip pusher tracks are changed for improved empty magazine lock functionality. A shelf is added for rubber padding on the pump grip guide tab. Slot end shape on ShellCap is updated to accommodate additional rubber padding. This is The ScatterCannon. It's a pump action blaster that fires 3 half-length foam darts per shot with a 16-shot capacity and is fed from an under-slung horizontal box magazine. It was designed and prototyped for the tolerances of my printer, but requires very specific hardware, has a long print time, and uses a lot of filament. I advise you to carefully consider this before spending time and resources on building it. These files are provided as is, without support or guarantees that your prints will work. Please read the included Build Guide before attempting this build. A printer volume of at least 200 x 200 x 180 is required for this blaster. Use a strong material with good layer adhesion, and parts printed in PLA will have a very limited lifespan. This page only includes the blaster. The magazine can be found here: https://www.thingiverse.com/thing:4262189 Barrel Attachment for chronographing the blaster can be found here: https://www.thingiverse.com/thing:4684393/files Grip stock attachment lug can be found here: https://www.thingiverse.com/thing:3591221 Front rail can be found here: https://www.thingiverse.com/thing:4521060 Back rail can be found here: https://www.thingiverse.com/thing:4523374 Nerf stock attachment point can be found here: https://www.thingiverse.com/thing:4540840 To operate the blaster, load the magazine with up to 16 darts per stack, then insert the magazine by pushing it up and forward into the magwell till it catches in place. Prime the blaster by pulling the pump back all the way till the trigger catches, then all the way forward in one smooth motion. The blaster is now ready to fire. Do not dry fire the blaster, do not fire it when the pump grip is not in the forward position, and do not release the pump grip before the trigger catches, as these actions will damage the blaster. Wear safety glasses and ear protection when operating the blaster.