# Grasshopper library

**URL:** <https://discourse.mcneel.com/t/grasshopper-library/65959>\
**Category:** Grasshopper\
**Created:** [June 28, 2018, 3:27pm UTC](https://discourse.mcneel.com/t/grasshopper-library/65959 "2018-06-28T15:27:20Z")\
**Posts on this page:** 4\
**Page:** 1

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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:** [June 28, 2018, 3:27pm UTC](https://discourse.mcneel.com/t/grasshopper-library/65959/1 "2018-06-28T15:27:20Z")

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Is there a way to have two separate Grasshopper libraries, one for Rhino 5 and a one for Rhino 6?

How would I need to do that?

I want to keep a working installation of Rhino 5 with T-Splines…

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**Author:** ![Michael\_Pryor](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/michael_pryor/32/489117_2.png) [@Michael\_Pryor](https://discourse.mcneel.com/u/Michael_Pryor)\
**Post date:** [June 28, 2018, 4:02pm UTC](https://discourse.mcneel.com/t/grasshopper-library/65959/2 "2018-06-28T16:02:21Z")

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> [@Best Practices for loading Legacy Components For Rhino 5](https://discourse.mcneel.com/t/best-practices-for-loading-legacy-components-for-rhino-5/65150/2):
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> There is a Rhino-6-specific path. Files in this directory will be loaded by GH1 but not by GH0 %appdata%\Grasshopper\6\Libraries\ It’s also a solution that GH loads assemblies from Rhino plugin path, such as: C:\Program Files\Rhino 6\Plug-ins\Grasshopper\Components\ C:\Program Files\Rhino 6\System C:\Program Files\Rhino 6\Plug-ins\Toolbars C:\Program Files\Rhino 6\Plug-ins C:\Program Files\Rhino 6\Plug-ins\Grasshopper C:\Program Files\Rhino 6\Plug-ins\IronPython Obviously Rh5 and Rh6 have di…

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**Author:** ![Rickson](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/rickson/32/690545_2.png) [@Rickson](https://discourse.mcneel.com/u/Rickson)\
**Post date:** [June 28, 2018, 4:53pm UTC](https://discourse.mcneel.com/t/grasshopper-library/65959/3 "2018-06-28T16:53:35Z")

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You also need to put a file in the R5 library of any plugins you don’t want to load into 6.

Named the same as the plugin but with a .no6 extension.

![no6](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/9/8/98e204ed55868c777ee6b4d32eedcad7dca89a5d.JPG)

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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:** [June 28, 2018, 4:55pm UTC](https://discourse.mcneel.com/t/grasshopper-library/65959/4 "2018-06-28T16:55:44Z")

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… interesting!

Thanks for the inputs.