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    Flexible Handcuffs (Dual Lock Design)

    Story

    I wasn't satisfied with the other handcuffs I could find on Thingiverse so I designed this to suit my needs. All of the other cuffs (I found searching quickly) were in PLA and required assembly post printing. Trying out these designs I found them a pain to assemble but more importantly, uncomfortable. Thus I designed this which is made in a single piece of flexible filament (I recommend NinjaFlex) and can be worn/used for much longer before it starts becoming uncomfortable. Hopefully in the future I will have some updates (though I don't know when) with some small tweaks of the design.

    Dimensions, Print Time, and Weight

    The cuff diameter is 50mm so it's designed for smaller wrists though scaling it up should be fine (at will make it more comfortable from increased bend zones).

    Cuff diameter: 50mm
    Time to print: 5 hours
    Final weight (without locks): 32g (6% of a standard NinjaFlex roll at 500g)

    Notes on licencing:

    This work is licenced under a CC-AT-SA licence. You are free to remix the design, and even sell prints of this if you so desire. I would ask that you let me know if you are (just because I think it's cool to know) though you are not obligated to do this.

    Versioning

    • May 21st 2018: First version released

    • June 12th 2018: Updated version released. This should be almost identical to the first version but with two noticeable changes. The first is that the inside of the cuffs now tapers on one side for increased comfort. It doesn't do it on both sides though because of bed adhesion and over hangs so be aware of which side is up when putting it on. The second is that the locking holes are inset more giving it more structural rigidity.

      These are just the changes that are easily noticed, behind the scenes I have completely rebuilt the model to allow me to accommodate more cuff sizes and variable distances between the cuffs. With this done, I'll post more variations on the design for larger/smaller wrists and larger distances between the cuffs in future.

    Donations

    There are bitcoin addresses on my profile page if you wish to donate to either myself or the model. Donations are of course optional but they help me allocate time to update designs and fill feature requests.