A Crown of Pens

by hakalan, published

A Crown of Pens by hakalan Jan 11, 2013
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11895Views 1825Downloads Found in Organization
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A pen or pencil holder in the hyperboloidian fashion. Not that there is a lack of such here, but... well...

Anyway, after inserting the pens, my daughter immediately put it on top of her head and decided it was a crown, hence the name.

Note that such a move is a bad idea unless the fit is tight, because the pens will slide down.


If you happen to have 30 pens with no more than 9 mm diameter, you can use the attached stl file.

Otherwise use the customizer to adjust various parameters. (Updated!)

It is possible to skip infill completely. With two perimeters and three top layers I got a sturdy result with perfect top surface. However, the inner circumference delaminated a little because of shrinkage.

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I Get this error:

<JSON::ParserError: A JSON text must at least contain two octets!>

Any ideas on how to fix it?

Thanks for a great upload!
Didn't have pens that fit though... saw the customizer! Thanks for that!
Decided it was worth finding pens to support your original design so went hunting today.