# Problems with post-processing using the compression only support option

**URL:** <https://prepomax.discourse.group/t/problems-with-post-processing-using-the-compression-only-support-option/3267>\
**Category:** Bug Reports\
**Created:** [February 18, 2026, 9:50pm UTC](https://prepomax.discourse.group/t/problems-with-post-processing-using-the-compression-only-support-option/3267 "2026-02-18T21:50:14Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![FEAnalyst](https://yyz2.discourse-cdn.com/free1/user_avatar/prepomax.discourse.group/feanalyst/32/688_2.png) [@FEAnalyst](https://prepomax.discourse.group/u/FEAnalyst)\
**Post date:** [February 19, 2026, 8:59am UTC](https://prepomax.discourse.group/t/problems-with-post-processing-using-the-compression-only-support-option/3267/5 "2026-02-19T08:59:19Z")

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It seems to be caused by the use of the experimental pyramid elements.

[Cube\_pyramid\_gap.pmx](https://prepomax.discourse.group/uploads/short-url/eyedNOMJuCP3javYWe6nIu2Z9Ue.pmx) (761.8 KB)

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