!!WARNING!!
I am not a structural engineer!
I am making this sh!t up as I go along.
The risk I see with the project is the risk of the PETG limbs giving out while under tension. This could result in the limbs shattering.
For safety sake, I'm going to tell you right now that the whole thing could explode while under tension, presenting a serious risk of injury. I am not responsible for any injuries or damages. Use at your own risk. Also, I would not recommend using printed bolts. I've seen them shatter on impact and even seen one or two break up, on release.
This is the 5th version of my crossbow mod and the second version of a compound crossbow mod.
When printing PETG bow lims, I use 9999 top layers and 0 infill. Same with trigger, string catch and the riser/nose of the crossbow. Print one limb at a time, then reprint the same gcode so the limbs are identical.
There are versions available that use fiberglass rods for the limbs, and I'm planning one that uses sections of PVC pipe that are flattened and shaped with a heat gun.
KarrMcDebt's 3D Printable Tactical Compound Crossbow V5
by Chris Clouser · original on Printables ↗
Sports & Outdoor / Outdoor Sports
♥ 172⬇ 930🖨 0 prints
Print profiles
notchedbarrel.stlDEFAULT
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trigger.stl
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string-catch.stl
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notchedbarrel-for-6-5mm-bolt.stl
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limbpivothex.stl
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limbpivotblank.stl
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trigger-guard.stl
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limb.stl
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nose-tip2.stl
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scope-riser-4-retention-spring.stl
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limbcap.stl
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barrel-right.stl
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hex-foregrip.stl
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barrel-left.stl
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idlerwheel.stl
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auxlimb.stl
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new-grip.stl
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barrel-front-left-updated.stl
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cam.stl
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barrel-front-right-updated.stl
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stock-tube.stl
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