# How to render Custom Preview before python script

**URL:** <https://discourse.mcneel.com/t/how-to-render-custom-preview-before-python-script/119759>\
**Category:** Grasshopper Developer\
**Created:** [March 5, 2021, 11:01am UTC](https://discourse.mcneel.com/t/how-to-render-custom-preview-before-python-script/119759 "2021-03-05T11:01:10Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![dharman](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/dharman/32/482663_2.png) [@dharman](https://discourse.mcneel.com/u/dharman)\
**Post date:** [March 8, 2021, 12:48pm UTC](https://discourse.mcneel.com/t/how-to-render-custom-preview-before-python-script/119759/3 "2021-03-08T12:48:42Z")

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You are more likely to get help if you provide an example file.

> [@Help Us Help You](https://discourse.mcneel.com/t/help-us-help-you/50034):
>
> Asking questions and getting answers is what this forum is all about. Although people are generally very helpful, there are things you can do to improve your chances of getting good and quick answers. Below you will find some suggestions, but don’t think of them as rules and especially don’t think of them as guarantees. 1. Choose a descriptive title for your post Don’t title your question Help! or I have a problem or Deadline tonight!, but actually describe the problem you are having. 2. Be s…

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