# A polysurface is limited to only one material

**URL:** <https://discourse.mcneel.com/t/a-polysurface-is-limited-to-only-one-material/99701>\
**Category:** Rhino for Windows\
**Created:** [April 8, 2020, 5:51am UTC](https://discourse.mcneel.com/t/a-polysurface-is-limited-to-only-one-material/99701 "2020-04-08T05:51:13Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![djhg](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/djhg/32/762280_2.png) [@djhg](https://discourse.mcneel.com/u/djhg)\
**Post date:** [April 8, 2020, 5:51am UTC](https://discourse.mcneel.com/t/a-polysurface-is-limited-to-only-one-material/99701/1 "2020-04-08T05:51:13Z")

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This is the way it works, right?  
A cube can’t have a different material on each side unless it’s exploded?  
And if it’s exploded it no longer is a closed polysurface and its performance is limited.

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**Author:** ![BEMAD](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/bemad/32/653825_2.png) [@BEMAD](https://discourse.mcneel.com/u/BEMAD)\
**Post date:** [April 8, 2020, 6:27am UTC](https://discourse.mcneel.com/t/a-polysurface-is-limited-to-only-one-material/99701/2 "2020-04-08T06:27:38Z")

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You can attached sub surface material by selecting sub object\>face in the filter

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**Author:** ![nathanletwory](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/nathanletwory/32/482880_2.png) [@nathanletwory](https://discourse.mcneel.com/u/nathanletwory)\
**Post date:** [April 8, 2020, 6:29am UTC](https://discourse.mcneel.com/t/a-polysurface-is-limited-to-only-one-material/99701/3 "2020-04-08T06:29:11Z")

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Sub-object selection you can do also with shift+control+left-mouse-click. Then assign material to your selection.

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**Author:** ![djhg](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/djhg/32/762280_2.png) [@djhg](https://discourse.mcneel.com/u/djhg)\
**Post date:** [April 8, 2020, 11:15pm UTC](https://discourse.mcneel.com/t/a-polysurface-is-limited-to-only-one-material/99701/4 "2020-04-08T23:15:32Z")

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That’s great, thanks.