# 20 x 20 machine

**URL:** <https://forum.sienci.com/t/20-x-20-machine/1850>\
**Category:** 🧰 CNC Setup\
**Created:** [November 9, 2020, 10:36pm UTC](https://forum.sienci.com/t/20-x-20-machine/1850 "2020-11-09T22:36:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![plepper](https://forum.sienci.com/letter_avatar_proxy/v4/letter/p/258eb7/32.png) [@plepper](https://forum.sienci.com/u/plepper)\
**Post date:** [November 9, 2020, 10:36pm UTC](https://forum.sienci.com/t/20-x-20-machine/1850/1 "2020-11-09T22:36:42Z")

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What would be involved in making a Longmill with a cutting area of 20" x 20" ? This would be the optimum size for my intended uses. Would it be as simple as cutting the aluminum angle and leadscrews?

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**Author:** ![paullarson](https://forum.sienci.com/user_avatar/forum.sienci.com/paullarson/32/8543_2.png) [@paullarson](https://forum.sienci.com/u/paullarson)\
**Post date:** [November 9, 2020, 11:59pm UTC](https://forum.sienci.com/t/20-x-20-machine/1850/2 "2020-11-09T23:59:16Z")

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You would have to drill and tap new holes in the rails for mounting and change some settings for X and Y distances in the controller EPROM.