# ModelClip module

**URL:** <https://discourse.slicer.org/t/modelclip-module/26152>\
**Category:** Development\
**Created:** [November 9, 2022, 2:37am UTC](https://discourse.slicer.org/t/modelclip-module/26152 "2022-11-09T02:37:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![miniminic](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/miniminic/32/16647_2.png) [@miniminic](https://discourse.slicer.org/u/miniminic)\
**Post date:** [November 9, 2022, 2:37am UTC](https://discourse.slicer.org/t/modelclip-module/26152/1 "2022-11-09T02:37:20Z")

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I clipped a model with ModelClip module, but the volume of the generated models is very different from the original model.

 ![屏幕截图 2022-11-09 103701](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/1/a/1a0e435ac2d082fd3acb815eec27a9d05eb4a4aa.jpeg)

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [December 1, 2022, 7:37am UTC](https://discourse.slicer.org/t/modelclip-module/26152/2 "2022-12-01T07:37:08Z")

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Volume of an open surface (cut without closing the surface) is undefined.

Try to use the “Dynamic modeler” module’s Plane cut tool, with “Cap surface” option enabled to see if you get more consistent results.

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**Author:** ![miniminic](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/miniminic/32/16647_2.png) [@miniminic](https://discourse.slicer.org/u/miniminic)\
**Post date:** [December 1, 2022, 7:52am UTC](https://discourse.slicer.org/t/modelclip-module/26152/3 "2022-12-01T07:52:01Z")

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Okay, thanks. I’ll try