# Rhino 8 Development

**URL:** <https://discourse.mcneel.com/t/rhino-8-development/112418>\
**Category:** Serengeti (Rhino BETA)\
**Created:** [November 16, 2020, 8:49pm UTC](https://discourse.mcneel.com/t/rhino-8-development/112418 "2020-11-16T20:49:08Z")\
**Posts on this page:** 1\
**Showing post:** 267

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**Author:** ![Eugen](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/eugen/32/656992_2.png) [@Eugen](https://discourse.mcneel.com/u/Eugen)\
**Post date:** [February 8, 2021, 7:29am UTC](https://discourse.mcneel.com/t/rhino-8-development/112418/267 "2021-02-08T07:29:29Z")

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> [@Push/pull behaviour](https://discourse.mcneel.com/t/push-pull-behaviour/115965):
>
> Hi, I would say expected behavior of push pull on solids would be different. What do you think? (pushing one split face with ctrl into solid body) What happens: (pure mess) What should happen in my opinion: I find it logical that pushing into solid would automatically result in boolean subtract operation?

We have ExtrudeSrf already - trick is to turn the option -Solid on! I learned this just recently, after years…

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