# Karamba model viewer is extremely laggy

**URL:** <https://discourse.mcneel.com/t/karamba-model-viewer-is-extremely-laggy/180437>\
**Category:** Karamba3D\
**Tags:** windows, karamba\
**Created:** [April 19, 2024, 1:05pm UTC](https://discourse.mcneel.com/t/karamba-model-viewer-is-extremely-laggy/180437 "2024-04-19T13:05:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Nicolas\_Pan](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/nicolas_pan/32/566484_2.png) [@Nicolas\_Pan](https://discourse.mcneel.com/u/Nicolas_Pan)\
**Post date:** [April 19, 2024, 1:05pm UTC](https://discourse.mcneel.com/t/karamba-model-viewer-is-extremely-laggy/180437/1 "2024-04-19T13:05:52Z")

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Hi, apparently my karamba model has 3,000,000+ elements and is completely crashing rhino/grasshopper. I probably set up the analyzer wrong could I please receive some guidance on this?  
[karamba analysis.gh](https://discourse.mcneel.com/uploads/short-url/6FIK9g6CMuTVzSltUhgvMBlAoqQ.gh) (144.2 KB)

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**Author:** ![matttam](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/matttam/32/769086_2.png) [@matttam](https://discourse.mcneel.com/u/matttam)\
**Post date:** [April 20, 2024, 9:27am UTC](https://discourse.mcneel.com/t/karamba-model-viewer-is-extremely-laggy/180437/2 "2024-04-20T09:27:27Z")

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hi, you need to make sure to flatten the input points input otherwise you have 100 different meshes/shells in your model

![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/f/d/7/fd7be3e8f1220b8ce6dfe17f45e2e47e09f51cfd.png)

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<div class="post-metadata">

**Author:** ![matttam](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/matttam/32/769086_2.png) [@matttam](https://discourse.mcneel.com/u/matttam)\
**Post date:** [April 22, 2024, 6:00am UTC](https://discourse.mcneel.com/t/karamba-model-viewer-is-extremely-laggy/180437/5 "2024-04-22T06:00:16Z")

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You can turn it on in Grasshopper with CTRL+M or in Display-\> Preview Mesh Edges