# Union Failure - Boolean Error

**URL:** <https://discourse.shapr3d.com/t/union-failure-boolean-error/38458>\
**Category:** Modeling Questions\
**Created:** [June 20, 2025, 6:36am UTC](https://discourse.shapr3d.com/t/union-failure-boolean-error/38458 "2025-06-20T06:36:25Z")\
**Posts on this page:** 1\
**Showing post:** 15

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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:** [June 21, 2025, 5:56am UTC](https://discourse.shapr3d.com/t/union-failure-boolean-error/38458/15 "2025-06-21T05:56:59Z")

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Boolean either works or doesn’t work not sure what other information the feature can give?

In the forum I solved some funky boolean issue and 100% of the times it was just not touching. But issue is noticeable during closer inspection by zoom or section view.

My Fav Union issue:

> [@Boolean operation failed after Union](https://discourse.shapr3d.com/t/boolean-operation-failed-after-union/36028):
>
> Have seen several different occurrences of this topic, but still I can not figure out what I’m doing wrong. Could someone have a look at the attached video and perhaps offer some suggestions. Much appreciated. I’m trying to make a boat hull wink

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