#0089 Rugged D Carabiner with Cam Action Cord Tensioner [4mm paracord]

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[UPDATE Oct 25, 2023] Load tested to 63.6 lbs (28.9 kg), at which point the cam slipped out.

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My Rugged D carabiner appears to have gotten some good reception so I'm taking it up a notch by adding a locking cam to it.  This allows you to clip onto a paracord on one end, then tighten the other end simply by pulling the cord tight and let the cam do the work of locking the paracord in place.  

Thanks for checking out this model!  If you like what I'm doing please consider buying me a coffee. ;-)

Great for camping and other jobs around the house where you need to quickly set up a taut line to do your task, then take it down just as fast.

Many Uses:

1. Tension line for tents
2. Pull overhead shade tarps tight
3. Tie up bundles of anything
4. Tension line for clothes drying
5. Tie down to transport your Christmas tree
6. Hold anything open or closed
7. If you are a vendor at a fair, tension your vendor signs
8. Many other uses!

Features:

1. Easy to operate.
2. Prints quickly without supports.
3. Locks in the Y direction to resist tension of the cord.
4. Locks in the Z direction to resist slippage of the clocking mechanism.
5. Cams into a locking position on a 4mm paracord to tighten and hold the cord in place.
6. The cam has a lever to help you release the clamp - or pull on the loose end of the cord to release cam.

*** DISCLAIMER ***

NOT for holding weight of people (adults or children), or any precious cargo.  For general use only.

Recommendations:

1. This model is NOT for PLA.  
2. Print in PETG/ABS/ASA only - for their flex characteristics and toughness.
3. Use 3 vertical perimeters for regular strength.  Experiment with more perimeters if you like.
4. Place your seams AWAY from the latch area.  Having seams in the gap in the latch area greatly increases your chances of welding the gap together.

Other things needed:

1. 1x, M3x12 SHCS
2. 1x, M3 locking nut (important not to use a regular nut)

Load Tested:

1. When printed with 3 perimeters in ABS (Polymaker) and 4 top and bottom layers (02.mm layer thickness), I've tested the carabiner and cam to hold at least 50 lbs. (22.7 kg) at which point I started seeing signs of deformation.   
2. More strength maybe be achievable with more vertical and horizontal perimeters.

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Happy Printing!