Keychain safe blade box cutter
thingiverse
I made a safe blade box cutter for a keychain made entirely in plastic. It can cut open packages and is extremely cheap to 3d-print (around 20 minutes). Use supports for the blade since I designed it with an angle. The box cutters in plastic I found online for purchase where remarkably overprized (around 10 euro). This one you can not cut yourself on and is safe to carry on you if you have a law in your country prohibiting carrying sharp objects in public. This is the case in Sweden were I come from. I hope you liked my design.
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