Bar Hairclip - Stars and Plain

by Bioluminescence, published

Bar Hairclip - Stars and Plain by Bioluminescence Jul 10, 2011

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After 16 iterations, and inspired by a Bruce Sterling story (Kiosk), I've designed and printed a working hair clip.

Length: 8.4cm
Height: 2.2cm
Depth: 1.2cm
Weight: 7g

Printed in ABS, and utterly dependent on its mechanical properties, it features a working ABS hinge, three kinds of springs, and a snap fastener.

This version is plain - the Sketchup file is included for those who want to go on and adorn their hair clips. Failing that, you can use the gently curved outer surface as a base for gluing on your own additions.

hairclip-mk15 = This version has four embossed stars on the outer bar (as seen in blue in the photograph).
hairclip-mk16-final = The flat backed version, easier to modify on your own.

(Personal blog post regarding the Bruce Sterling story and other influences, here -


Print in your favorite PLA/ABS colo(u)r.

The print takes approx 40 minutes on my Thingomatic, and requires a little bit of clean up with a sharp knife for stray whispy filaments.

Raftless seems to work better with this layout - the raft just takes longer to remove, adds more whispy filament ABS hairs to remove, and makes the print time longer. No advantage.

(The striped hairclip (blue and red) was achieved by feeding in different colo(u)red filaments during the printing process.)

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Thank you, and very interesting. I have sent a message pointing out the Creative Commons - Attribution - Non-Commercial license.

Turns out you need a narrow nozzle diameter to print this. it's mostly an issue of the "spring". i had to go down to 0.2mm nozzle to print this. anything larger would not print the spring completely.

It prints fine for me with a 0.4mm nozzle, but only if I turn on the "thin wall detection" setting in RepetierHost.

Printed one using impact modified pla from diamondage (more flexible and tougher then normal pla), works very well, my other half kept snapping the clips on them originally.

This doesn't print properly on my UP. For some reason several pieces of the spring on the inside simply do not print. I'm not sure what is causing it but it happens on the latest version...

I'm afraid I don't know what to suggest - could you perhaps take a photograph of the problem and we can see if we can design a more sturdy/reliable version for your printer?

Awesome! I love the simplicity of the one piece design.

I thought for sure the clip would come undone, I have been wearing it all night, and Love it!

I'm ever so glad it's working :D I've been using them exclusively for the last week or so, and the only strange thing I've found so far, is that it feels more loose, when it's actually very secure. Could be because I'm used to elasticated hairbands.

Any chance you could take a picture of your print? I'd love to see more of them in the wild :)

Woot! This is great! ;)

This is a really nice design. I made one just to observe its operation and it works nicely. The thought and effort you put into this is evident. Thanks for your contribution and well done.

Jason A. Wright 8-)

clever design features!

Thank you - I went through lots of different attempts to get it working - a big pile of 'factory second' black PLA hair clips!