2x4 Dowel Jig: 3D Printed Workshop Tool

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

The maker says it fits: 2x4 lumber. See the proof

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What it does

Guides your drill bit straight into 2x4 lumber so dowel holes line up perfectly every time
Print your own jig to build custom tables and furniture without buying expensive tools
Works with your existing drill; saves you hours of measuring and marking wood by hand
Use it to attach table aprons to legs with strong dowel joints that hold tight

Build rock solid wood tables and furniture without guessing where your dowel holes go. This jig holds your 2x4 lumber steady and guides your drill bit to the exact spot you need, so every hole lines up tight. No more measuring mistakes or crooked joints.

Made from the US by design, this workshop tool is printed fresh to your order. Just clamp it onto your 2x4, set your drill bit in the guide hole, and drill. Perfect dowel holes every time. You can also customize the jig for different lumber sizes using the creator's interactive 3D tool, so one jig works for all your projects.

Pair this with the 4x4 dowel jig to attach your apron to table legs. Build furniture that lasts.

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: 2x4 lumber

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

2x4 lumber (model 2x4)From the maker's own listing notes, 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 We have not load tested this design, so we do not publish a weight rating.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.