RubberBand Powered Stick Launcher/Ballistic Knife

This Model Require 1 Rubber Band To Operate.

1.4mm thickness, 47mm diameter, 70mm when folded in half.

Any rubberband similar to this works.

Please follow the print settings below for best result:

Global:

• sparse infill density: 5%
• sparse infill pattern: gyroid
• support type: tree auto

Projectile:  

• wall loops: 1
• top shell layers: 2

• bottom shell layers: 2

  (this will make projectile lighter and fly further)

grip:

• wall loops: 3

Current Projectiles:

• SafeSpringHead (spring headed projectile for safety)
• StandardBlade (more knife looking blade.)

While this only uses 1 rubberband and pretty weak but,

For Your Safety, Please Follow These Instructions:

• Unload the Blade When you are not using it.
• DO NOT Point it to any living things.
• DO NOT Be in line of fire when loading a blade.
• Impacting or dropping the knife when loaded may launch itself.  

But, It's not that powerful.  just be careful with your or someone else's eye.

[ASSEMBLY]

ASSEMBLY VIDEO

Example Usage: