# Modify CAD files to create STL's

**URL:** <https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022>\
**Category:** Hardware\
**Created:** [July 4, 2017, 12:16am UTC](https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022 "2017-07-04T00:16:54Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![rtimberman50](https://avatars.discourse-cdn.com/v4/letter/r/da6949/32.png) [@rtimberman50](https://forum.lulzbot.com/u/rtimberman50)\
**Post date:** [July 4, 2017, 12:16am UTC](https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022/1 "2017-07-04T00:16:54Z")

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I have been pulling my hair out trying to modify the 12mm bearing holders for the Taz 6 on the X axis (I’m building my own Taz) The ingus bearings I got are 1 mm smaller in outside diameter and I can’t for the life of me changed them in opencad to be 1mm smaller.  
Just seeing if anyone can point me in the proper direction to get these modified so I can get them re-printed and the bearings installed.

THANKS!!  
Russ

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**Author:** ![piercet](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/piercet/32/12_2.png) [@piercet](https://forum.lulzbot.com/u/piercet)\
**Post date:** [July 4, 2017, 12:53am UTC](https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022/2 "2017-07-04T00:53:02Z")

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I usually import the stl into Autodesk inventor, use the mesh enabler to turn it into a solid, then edit from there. If it gives you trouble, someone might post a modified version later.

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**Author:** ![rtimberman50](https://avatars.discourse-cdn.com/v4/letter/r/da6949/32.png) [@rtimberman50](https://forum.lulzbot.com/u/rtimberman50)\
**Post date:** [July 4, 2017, 1:21am UTC](https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022/3 "2017-07-04T01:21:15Z")

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Thanks for the info… I have the fcstd cad file and figured it would come out much better after making the changes and then exporting it to stl.  
I’m sure it’s just a mod to the constraints but I’m confused on which ones to modify.  
Thanks for the info!

Russ

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**Author:** ![rufu5](https://avatars.discourse-cdn.com/v4/letter/r/f14d63/32.png) [@rufu5](https://forum.lulzbot.com/u/rufu5)\
**Post date:** [July 7, 2017, 9:09pm UTC](https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022/4 "2017-07-07T21:09:12Z")

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Here’s a file that might work with your bushings, hope this helps.  
[12mm\_single\_bearing\_holder\_smol.stl](https://forum.lulzbot.com/uploads/short-url/mRxS8JPMuLh5zC4wP3sX7vnXAC6.stl) (297 KB)

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**Author:** ![rtimberman50](https://avatars.discourse-cdn.com/v4/letter/r/da6949/32.png) [@rtimberman50](https://forum.lulzbot.com/u/rtimberman50)\
**Post date:** [July 31, 2017, 6:24pm UTC](https://forum.lulzbot.com/t/modify-cad-files-to-create-stls/5022/5 "2017-07-31T18:24:49Z")

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Thank you very much.