# How join the bodies, fails every time

**URL:** <https://discourse.shapr3d.com/t/how-join-the-bodies-fails-every-time/36840>\
**Category:** Modeling Questions\
**Created:** [March 4, 2025, 2:54pm UTC](https://discourse.shapr3d.com/t/how-join-the-bodies-fails-every-time/36840 "2025-03-04T14:54:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![andyroo77](https://avatars.discourse-cdn.com/v4/letter/a/b782af/32.png) [@andyroo77](https://discourse.shapr3d.com/u/andyroo77)\
**Post date:** [March 4, 2025, 2:54pm UTC](https://discourse.shapr3d.com/t/how-join-the-bodies-fails-every-time/36840/1 "2025-03-04T14:54:55Z")

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Two mirrorred bodies won’t union.

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**Author:** ![TheBum](https://avatars.discourse-cdn.com/v4/letter/t/eada6e/32.png) [@TheBum](https://discourse.shapr3d.com/u/TheBum)\
**Post date:** [March 4, 2025, 6:14pm UTC](https://discourse.shapr3d.com/t/how-join-the-bodies-fails-every-time/36840/2 "2025-03-04T18:14:58Z")

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Have you verified that they’re touching or, better yet, overlapping before you attempt to union them?

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**Author:** ![SCALEMODEL](https://avatars.discourse-cdn.com/v4/letter/s/77aa72/32.png) [@SCALEMODEL](https://discourse.shapr3d.com/u/SCALEMODEL)\
**Post date:** [March 4, 2025, 6:24pm UTC](https://discourse.shapr3d.com/t/how-join-the-bodies-fails-every-time/36840/3 "2025-03-04T18:24:16Z")

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Might also be too complex to complete the Union.

When it’s complex I don’t even union, is there a reason why you have to union?

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**Author:** ![Oregonerd](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/oregonerd/32/8012_2.png) [@Oregonerd](https://discourse.shapr3d.com/u/Oregonerd)\
**Post date:** [March 5, 2025, 4:01pm UTC](https://discourse.shapr3d.com/t/how-join-the-bodies-fails-every-time/36840/4 "2025-03-05T16:01:56Z")

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The handle looks like it has been “knurled”. Probably too complex.