3D Printed Rotary Tool Bit Holder Compatible with Dremel

Design preview. Rendered from the file, not a photo.

The maker says it fits: Dremel rotary tool bits (3.4mm shaft). See the proof

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What it does

Holds your bits in one place so you find the right tool fast
Round design with hollow center lets you grab bits without fumbling
3.4mm shaft holes fit standard rotary tool bits you already own
3D printed on demand, made in the USA, ships straight to you

Keep your rotary tool bits organized and ready to use. This holder stores all your bits in one spot so you spend less time hunting and more time working on your projects.

The round design sits on your workbench or shelf. The hollow center makes it easy to grab any bit you need without reaching around other tools. Your bits stay secure in the 3.4mm shaft holes, designed to fit standard rotary tool bits. You get a functional workshop organizer that works the way you need it to.

Not affiliated with, endorsed by, or sponsored by Dremel. Dremel and its product names are trademarks of their respective owners.

1.9k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What it fits

The maker says it fits: Dremel rotary tool bits (3.4mm shaft)

That is the maker's word, not a fit we measured. Check the size below against your own.

Dremel rotary tool bits (3.4mm shaft)From the maker's own listing title, checked 2026-08-13. See the original post

Brand names here only say what this part fits. We are not connected to those companies, and they did not make or check this part.

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.