Parametric Boltless Hook for keyhole shelving units

by timmytool, published

Parametric Boltless Hook for keyhole shelving units by timmytool Jan 6, 2012

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Turn the unused keyholes in boltless shelves into practical hanging space.

Using 2 keyholes in the uprights this thing sits and provides a hook for things like scissors, headphones (I use 2 half shelves and a laminated MDF as a PC desk, huge desktop), pots and pans and a whole thingiverse of items.

Make your own custom 3d prints that are held up with this print.

Yes it’s completely parametric so it will work with any brand of keyhole style boltless shelves

The bridge in the model might sag, as long as it minimal it should add to prints snug fitting. (Yes it works better without a perfect bridge)

Some of the pics are of the non parametric version; it has a smaller wedge in the hook but otherwise is near identical to the openSCAD’s uploaded stl

BTW: http://www.makerbot.com/blog/2012/01/30/openscad-what-would-you-like-to-learn-next/

update(9th Jan 2013)made changes to work with Customizer


Measure your shelves boltless keyhole
Plug the 4 main measurements into openSCAD (key: small, big, spacing and thickness)
Add tolerances to your measurements for clearances.
Change the hook parameters if you need to (it will allow you do add impractical values so review the model)

Render save and print



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Haven't been watching the chute on Thingiverse for long enough to have spotted this when it was posted, but I've been thinking I need the exact same thing for hanging up commonly used tools and safety gear on my shelving. Really need to get myself a printer and print up a dozen or two of these. Great idea!

Dude! I was just looking at my "Gorilla Racks" on Wednesday which have these same eyelets and thought, wouldn't it be handy to have hooks for those to store things on. I should design and print a couple someday.

Perfect timing, these just bumped to the top of my manufacturing list!


glad to here it, do you need to use the parametric ability or does the stl's work for you?