// Legal · last updated 2026-10-03T00:00:00.000Z

Open source in MillPath

MillPath’s toolpath engine is our own work. It uses these open source libraries, under their licences:

OpenCascade Technology (via occt-import-js), to read STEP, IGES and BREP files. Licensed under the GNU Lesser General Public License 2.1 with the Open CASCADE Exception. It is loaded as separate files (/app/occt/), unmodified; its licence texts are next to it (license.occt.txt, license.occt-import-js.txt). Source: github.com/Open-Cascade-SAS/OCCT and github.com/kovacsv/occt-import-js. You may replace these files with your own build of the same library.
three.js (MIT) — the 3D view.
Clipper (Boost Software License) — 2D polygon offsetting.
opentype.js (MIT) — reading fonts.
Preact (MIT) — the interface.
Fonts from Fontsource: Montserrat, Oswald, Playfair Display, Pacifico, Big Shoulders Stencil Display (SIL Open Font License).

Contact

CADMD SOFTWARE LLC
301 Danube Ave, Apt 10
Tampa, FL 33606, USA
support@millpath.app