# PDM Surface Mesh

**URL:** <https://shapeworks.discourse.group/t/pdm-surface-mesh/253>\
**Category:** Uncategorized\
**Created:** [August 6, 2024, 1:02pm UTC](https://shapeworks.discourse.group/t/pdm-surface-mesh/253 "2024-08-06T13:02:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tooth](https://avatars.discourse-cdn.com/v4/letter/t/96bed5/32.png) [@Tooth](https://shapeworks.discourse.group/u/Tooth)\
**Post date:** [August 6, 2024, 1:02pm UTC](https://shapeworks.discourse.group/t/pdm-surface-mesh/253/1 "2024-08-06T13:02:09Z")

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Hi!

Does ShapeWorks use a spline approximation to smooth the PDM surface mesh?

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**Author:** ![amorris](https://avatars.discourse-cdn.com/v4/letter/a/73ab20/32.png) [@amorris](https://shapeworks.discourse.group/u/amorris)\
**Post date:** [August 7, 2024, 8:09am UTC](https://shapeworks.discourse.group/t/pdm-surface-mesh/253/2 "2024-08-07T08:09:33Z")

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Surface reconstructions from particles are created via mesh warping from a template mesh (e.g. median shape). We use LibIGL’s biharmonic shape deformation algorithm.