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 inches. 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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