# LongMill Open Source and Mods

**URL:** <https://forum.sienci.com/t/longmill-open-source-and-mods/3593>\
**Category:** Guides & Resources\
**Created:** [September 2, 2021, 8:33pm UTC](https://forum.sienci.com/t/longmill-open-source-and-mods/3593 "2021-09-02T20:33:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kellyz](https://forum.sienci.com/letter_avatar_proxy/v4/letter/k/9fc29f/32.png) [@kellyz](https://forum.sienci.com/u/kellyz)\
**Post date:** [September 2, 2021, 8:33pm UTC](https://forum.sienci.com/t/longmill-open-source-and-mods/3593/1 "2021-09-02T20:33:13Z")

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The LongMill is an open source project, meaning that we make the design available for anyone to create and reimagine. Bill of materials (BOM), 3D models for the LongMill and its accessories, part drawings and control board schematics are found below, along with a list of known modifications from the community.

> **[Open Source & Modifications 🥽 - LongMill CNC](https://resources.sienci.com/view/lm-open-source-and-modifications/)**
>
> Open source documentation for LongMill CNC and its accessories, which includes 3D files, bill of materials. Community modifications and designs also found here.

 ![Open source and mods BillKorn](https://forum.sienci.com/uploads/default/original/2X/9/9af0c08fdfcef33d8cd6dfa6c2c60e5959ff18ff.jpeg)  
BillKorn’s drag knife parts