# PCB design CNC error 33 in UGS

**URL:** <https://forum.fritzing.org/t/pcb-design-cnc-error-33-in-ugs/6735>\
**Category:** uncategorized\
**Created:** [March 4, 2019, 11:05am UTC](https://forum.fritzing.org/t/pcb-design-cnc-error-33-in-ugs/6735 "2019-03-04T11:05:51Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![opera\_night](https://forum.fritzing.org/user_avatar/forum.fritzing.org/opera_night/32/3724_2.png) [@opera\_night](https://forum.fritzing.org/u/opera_night)\
**Post date:** [March 4, 2019, 3:38pm UTC](https://forum.fritzing.org/t/pcb-design-cnc-error-33-in-ugs/6735/2 "2019-03-04T15:38:17Z")

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I make all my PCB’s on CNC mill. I’ll wait to see your files but, then will provides some tips that may help.

I generate the Gcode using [CopperCam](https://www.galaad.net/coppercam-eng.html) - you can download/try for free. The free trial is good for small boards (won’t reach the limit on small boards).

I would try Coppercam first as problem may be Makercam. I didn’t find anything that ran well on my Mac so, I use Virtualbox to run Window (and CopperCam). Example below…

 ![GP2_Orion](https://forum.fritzing.org/uploads/default/original/2X/e/e146791310367e44c3500687f9f9d0e61ff52b04.jpg)

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