14 pencils holder
thingiverse
Pencil holder for 14 pencils the holes are hexagonal such that you can lign up the hardness information. The 14 pencils i used i brought from https://s.click.aliexpress.com/e/_dWcDGaf I put slots in bottom to put in coins to weight the holder down (22.5mm x 2mm). The tolerances are made pretty tight, it's just loose enough that the pens dont get stuck. if your printer is not very precisely calibrated you might want to bump up the size by 1%
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