Mini Air Cannon
thingiverse
Mini Air Cannon, Stretch cut punch ball balloons from the dollar tree. Gently pull back and shoot a blast of harmless air across the room. Scale to fit 3d printer, mine was resized so the large diameter was 4.75". Print with large diameter on print bed. Ballons used- https://www.dollartree.com/Gayla-Latex-Punch-Balls-3-ct-Packs/p139103/index.pro Have fun and Enjoy!
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