# Poligonal trim not simmetrical

**URL:** <https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702>\
**Category:** Bug Report\
**Created:** [November 22, 2021, 11:17am UTC](https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702 "2021-11-22T11:17:24Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Josepmy](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.nomadsculpt.com/josepmy/32/6428_2.png) [@Josepmy](https://forum.nomadsculpt.com/u/Josepmy)\
**Post date:** [November 22, 2021, 11:17am UTC](https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702/1 "2021-11-22T11:17:24Z")

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When try to trim using polygonal or lasso, sometimes the results are weird or partials.

 ![image](https://europe1.discourse-cdn.com/flex005/uploads/nomadsculpt/original/2X/9/91ce2e7b3081fcb8df050aeb5e45467b5af6faca.jpeg)  
 ![image](https://europe1.discourse-cdn.com/flex005/uploads/nomadsculpt/original/2X/0/0bfd7d7ae2325f1dae2d485de4ffbdcd8d98b9a7.jpeg)  
 ![image](https://europe1.discourse-cdn.com/flex005/uploads/nomadsculpt/original/2X/5/575bd0af6d88f6bcbf0aa67d13f26c18d11baa84.jpeg)

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**Author:** ![knacki](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.nomadsculpt.com/knacki/32/1297_2.png) [@knacki](https://forum.nomadsculpt.com/u/knacki)\
**Post date:** [November 22, 2021, 11:38am UTC](https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702/2 "2021-11-22T11:38:48Z")

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Activate “camera snap” in bottom menu.  
Do a camera snap before trim to make sure orthographic view is 100% aligned.  
I am quite sure your “bug” will be gone.

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<div class="post-metadata">

**Author:** ![Josepmy](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.nomadsculpt.com/josepmy/32/6428_2.png) [@Josepmy](https://forum.nomadsculpt.com/u/Josepmy)\
**Post date:** [November 22, 2021, 12:14pm UTC](https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702/3 "2021-11-22T12:14:39Z")

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I will try, I align tapping into front icon but not with snap.

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**Author:** ![stephomi](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.nomadsculpt.com/stephomi/32/19583_2.png) [@stephomi](https://forum.nomadsculpt.com/u/stephomi)\
**Post date:** [November 22, 2021, 1:23pm UTC](https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702/4 "2021-11-22T13:23:41Z")

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Trim is sometimes a hit-or-miss algorithm (especially if “screen-space boolean” is used).  
The cut itself is symmetrical, it’s the hole-filling algorithm that is not 100% robust.

(I’m marking this as solved as it’s a known issue, eventually the Trim will improve in the future)

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<div class="post-metadata">

**Author:** ![Josepmy](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.nomadsculpt.com/josepmy/32/6428_2.png) [@Josepmy](https://forum.nomadsculpt.com/u/Josepmy)\
**Post date:** [November 22, 2021, 1:35pm UTC](https://forum.nomadsculpt.com/t/poligonal-trim-not-simmetrical/4702/5 "2021-11-22T13:35:26Z")

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ok. great!