automatic knife
cults3d
Knife with an automatic stop lock. See photo for mounting, use a screwdriver or other to hold the switch in position when you clip the body2. You will need a rubber band about 2 cm in diameter. Test with different models. The V2 launchers will operate with a shorter rubber band, the V2 spring with a stronger rubber band. You'll be able to double the bungee cord on the V2 launchers. Do not hesitate to make various tests for optimal operation. Make sure to deburr all moving parts, even a light wet sanding!
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