# Subraction

**URL:** <https://discourse.shapr3d.com/t/subraction/23178>\
**Category:** Modeling Questions\
**Created:** [December 24, 2022, 3:20pm UTC](https://discourse.shapr3d.com/t/subraction/23178 "2022-12-24T15:20:48Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![adamw](https://avatars.discourse-cdn.com/v4/letter/a/e9a140/32.png) [@adamw](https://discourse.shapr3d.com/u/adamw)\
**Post date:** [December 24, 2022, 3:20pm UTC](https://discourse.shapr3d.com/t/subraction/23178/1 "2022-12-24T15:20:48Z")

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I am trying to subtract one body from another body and it is not working. I am trying to create a void where the small body is.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/4/d/4dc285bc87f7df6605ae7bd30b2aecb85143012e.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/4/5/456afd5aa2a00d8e14b3fe61e7769548949558b5.jpeg)

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**Author:** ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)\
**Post date:** [December 24, 2022, 10:02pm UTC](https://discourse.shapr3d.com/t/subraction/23178/2 "2022-12-24T22:02:00Z")

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Select Keep All and try again. Then just delete the duplicates.

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**Author:** ![adamw](https://avatars.discourse-cdn.com/v4/letter/a/e9a140/32.png) [@adamw](https://discourse.shapr3d.com/u/adamw)\
**Post date:** [December 24, 2022, 10:51pm UTC](https://discourse.shapr3d.com/t/subraction/23178/3 "2022-12-24T22:51:17Z")

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Thanks, that worked. Can I group several of those parts together and subtract them at the same time? Or do i have to do them individually?

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/b/7/b70ddc4bd9f8e0448200281f20ad3c932d9ce345.jpeg)

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**Author:** ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)\
**Post date:** [December 25, 2022, 12:02pm UTC](https://discourse.shapr3d.com/t/subraction/23178/4 "2022-12-25T12:02:19Z")

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I’ve often selected multiple parts and subtracted them without problems.