Compass CNC – Open-source handheld CNC router

In plain words

Compass CNC is an open-source handheld CNC router designed for woodworkers who want computer-precision cutting without the expense and bulk of traditional machines. The user guides the router along a design path while optical flow sensors and a motion system automatically correct for accuracy. Built as an affordable DIY project, it costs around $600 in parts or less than $800 as a kit, with all plans and firmware freely available. It targets makers seeking hands-on control over precision machining.

written from the facts on this page · September 2026

From the sources

Compass has discontinued selling its Compass CNC V1 Kit to amicably resolve a dispute with Shaper Tools regarding allegations of patent infringement. Blend the precision of CNC technology with the flexibility and cost of hand tools. You can still be confident your design will be made perfectly. Compass CNC allows you the hands-on satisfaction of working with wood, while auto-correcting in real time to eliminate user error. The 3D designs, firmware, and electronics are all open-source. Everything you need to make and modify your own device are rightfrom compassrouter.com

In the maker’s words, at launch

Hey HN, I am Cam, and for the past two years I have been working on Compass, an open-source handheld CNC router that brings computer precision to woodworking while keeping the user directly involved in the process. The idea started as my senior design project at UC Berkeley, with the goal of making a more…

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