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One Piece Printable Crossbow

by jrombousky, published

One Piece Printable Crossbow by jrombousky Mar 11, 2013

Description

This is a crossbow for launching objects on your desk at high speed across the room.

Here is the video of it in action:
youtu.be/T0hZ038-y1Y

More about it is on my blog at:
trenchPhysics.com

Recent Comments

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Regular PLA or even ABS should be just fine.
Do you need a special plastic filament or could I just use regular PLA?
What was wrong with the design for you? A few suggestions:
Print it with the orientation shown in the photos but also with support. Standard Replicator 2 support will work, but if your using slicer make it rectilinear with a 3-4mm separation and a 5 degree rotation.

When attaching the rope, make sure its slightly pre-tensioned. Put the bow part in a clamp and move it in a few millimeters, then glue the rope in with superglue. This is what worked for me, and my crossbow is still working.

What type of failure have you had?

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Instructions

Print it with the handle side up and clean out the support material.

When its done, glue on a string and start shooting.
Do you need a special plastic filament or could I just use regular PLA?
Regular PLA or even ABS should be just fine.
that doesn't work!!!! i tried it
What was wrong with the design for you? A few suggestions:
Print it with the orientation shown in the photos but also with support. Standard Replicator 2 support will work, but if your using slicer make it rectilinear with a 3-4mm separation and a 5 degree rotation.

When attaching the rope, make sure its slightly pre-tensioned. Put the bow part in a clamp and move it in a few millimeters, then glue the rope in with superglue. This is what worked for me, and my crossbow is still working.

What type of failure have you had?
it really works?
Yep. I even have video to prove it. Maybe only useful for office warfare.
Can this thing kill small game such as squirrel, rabbit, quail, etc.
what are the dimensions of this please?
how does the part below (above when righted) the trigger get printed with no support? just tried printing this with no adjustments and the back end is a mess....
I printed with support material. In Slic3r I set it to a rectilinear pattern with 2.5mm spacing with a 5 degree rotational offset.
Interesting idea.

Was it printed in ABS? (just guessing based on the smooth bottom)
Yes its all ABS. Heated build platform. The printrbot build platform makes the bottom really smooth.
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