Parametric Newtonian Projectile Launcher
thingiverse
This is an updated (but not really a replacement) design for the projectile launcher. Unlike my previous version, this one makes use of disk magnets as opposed to the cubes. They are less 'strong', but for this purpose that is a good thing since it will allow for a more energetic projectile. The SCAD source file, configuration.scad, contains the description of each component as is parametricised to allow custom magnet sizes and ball bearing sizes. Enjoy!
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