# Split body on imported STP files

**URL:** <https://discourse.shapr3d.com/t/split-body-on-imported-stp-files/27316>\
**Category:** Modeling Questions\
**Created:** [August 13, 2023, 8:29pm UTC](https://discourse.shapr3d.com/t/split-body-on-imported-stp-files/27316 "2023-08-13T20:29:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ali3d](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@Ali3d](https://discourse.shapr3d.com/u/Ali3d)\
**Post date:** [August 13, 2023, 8:29pm UTC](https://discourse.shapr3d.com/t/split-body-on-imported-stp-files/27316/1 "2023-08-13T20:29:10Z")

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I have imported STP files sent to me by a friend who works in Moment of Inspiration. The first file I was able to use the split body function, cut a add to the part and the rejoin using the union function. However now he has sent me some more files same format etc. now when I use the split body function along a plane it splits the drawing into two parts, now without doing anything at all to either part I try and union them again, I get the message Boolean has failed.  
Can any one give me any ideas as what it was working but now it is not?

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**Author:** ![KPeter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/kpeter/32/7644_2.png) [@KPeter](https://discourse.shapr3d.com/u/KPeter)\
**Post date:** [August 15, 2023, 7:38am UTC](https://discourse.shapr3d.com/t/split-body-on-imported-stp-files/27316/2 "2023-08-15T07:38:47Z")

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Hello @Ali3d,

Please open a support ticket and send us the file before splitting and the split one too.  
[https://support.shapr3d.com/hc/en-us/requests/new](https://support.shapr3d.com/hc/en-us/requests/new)

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<div class="post-metadata">

**Author:** ![Ali3d](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@Ali3d](https://discourse.shapr3d.com/u/Ali3d)\
**Post date:** [August 15, 2023, 8:53am UTC](https://discourse.shapr3d.com/t/split-body-on-imported-stp-files/27316/3 "2023-08-15T08:53:42Z")

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Thank you Peter, I am checking with my friend as there seems some of his files are corrupted, but others are ok, I will check before I send them through.