# Weird cap comportement for hole in tube tool

**URL:** <https://forum.nomadsculpt.com/t/weird-cap-comportement-for-hole-in-tube-tool/2130>\
**Category:** Bug Report\
**Created:** [March 26, 2021, 6:39am UTC](https://forum.nomadsculpt.com/t/weird-cap-comportement-for-hole-in-tube-tool/2130 "2021-03-26T06:39:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Costorella\_Stefano](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.nomadsculpt.com/costorella_stefano/32/1551_2.png) [@Costorella\_Stefano](https://forum.nomadsculpt.com/u/Costorella_Stefano)\
**Post date:** [March 26, 2021, 6:39am UTC](https://forum.nomadsculpt.com/t/weird-cap-comportement-for-hole-in-tube-tool/2130/1 "2021-03-26T06:39:19Z")

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Bug reports

Its not really a bug.

strange problem of the behavior of the open tube cover. so I still work in smooth shading which is important for the future. so we have the possibility to make a tube with a hole but  
what is strange is that when we pierce the tube the lid of it seems softened or already subdivided I mean quin has a rounded edge rather than a sharp stop yet if we do not perceive the tube then the stop remains very clean . I tried with  
different parameters but you have to go too high in resolution to keep the sharp edge. it’s weird.

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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:** [March 26, 2021, 11:12am UTC](https://forum.nomadsculpt.com/t/weird-cap-comportement-for-hole-in-tube-tool/2130/2 "2021-03-26T11:12:00Z")

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There is a bug where one cap is handled differently than the other one.