# \_MergeCoplanarFace and \_MergeFaces

**URL:** <https://discourse.mcneel.com/t/mergecoplanarface-and-mergefaces/126792>\
**Category:** Rhino for Windows\
**Tags:** windows\
**Created:** [July 1, 2021, 8:28am UTC](https://discourse.mcneel.com/t/mergecoplanarface-and-mergefaces/126792 "2021-07-01T08:28:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![xiangyundesign](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/xiangyundesign/32/205903_2.png) [@xiangyundesign](https://discourse.mcneel.com/u/xiangyundesign)\
**Post date:** [July 1, 2021, 8:28am UTC](https://discourse.mcneel.com/t/mergecoplanarface-and-mergefaces/126792/1 "2021-07-01T08:28:12Z")

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What is the difference between the \_MergeCoplanarFace command and the  
 ![2021-07-01T16_27_03](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/5/e/8/5e894651176569fa71714332295a3437b9191361.png)  
 ![2021-07-01T16_27_27](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/8/9/2/892709516b8ca82ed82de0d13423aade0c5081c5.png)  
\_MergeFaces command in rhino？

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**Author:** ![martinsiegrist](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/martinsiegrist/32/498369_2.png) [@martinsiegrist](https://discourse.mcneel.com/u/martinsiegrist)\
**Post date:** [July 1, 2021, 9:17am UTC](https://discourse.mcneel.com/t/mergecoplanarface-and-mergefaces/126792/2 "2021-07-01T09:17:48Z")

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\_MergeFaces let’s you delete a mesh edge between two faces which do not have to be planar.

\_MergeCoplanarFace requires you to select two faces and not only works on meshes / SubD but also Polysurfaces

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<div class="post-metadata">

**Author:** ![xiangyundesign](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/xiangyundesign/32/205903_2.png) [@xiangyundesign](https://discourse.mcneel.com/u/xiangyundesign)\
**Post date:** [July 2, 2021, 4:05am UTC](https://discourse.mcneel.com/t/mergecoplanarface-and-mergefaces/126792/3 "2021-07-02T04:05:28Z")

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Thinks.