I was inspired by other string-powered blasters, and made the Neutron nerf blaster. This blaster uses a 4mm elastic bungee, and hits around 50-60 fps. All of the parts are held in place by printed pins, and can be glued if needed. As this is my first blaster, please let me know if any additional changes need to be made.
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The author marked this model as their own original creation.