Modular Foam Dart Blaster
Description
Tested and works! I made this thing to support research into middle school student engineering design programs! I needed something smallish, that could take some abuse, and that had replaceable parts for when things inevitably broke. As an afterthought I added some holes for a landscaping pin to hold down the launcher for outdoor use- I haven't tested out this feature yet. This design can easily lob nerf-style darts 10m or more at an angle of 45°. Have students fashion darts into aircraft and see what designs can go the furthest! Print the pump bellows out of TPU and everything else out of PLA. I've also included a (not tested) slightly thicker bellows that allows for 3 perimeters, this may be a more durable/more airtight option. 0.4mm nozzle, 10% infill, 3 perimeters, 4 top/bottom layers for everything. Using tinkercad I kludged together a few designs not found on thingiverse: • https://www.printables.com/model/154123-whomp-rocket-angled-launcher-with-flex-pump-remix • https://www.printables.com/en/model/140354-stomp-rocket-launchpad-w-screw-in-parts
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