# Frictionless support to run a 1/8 symmetry problem

**URL:** <https://prepomax.discourse.group/t/frictionless-support-to-run-a-1-8-symmetry-problem/1053>\
**Category:** General Questions\
**Created:** [August 30, 2023, 7:44pm UTC](https://prepomax.discourse.group/t/frictionless-support-to-run-a-1-8-symmetry-problem/1053 "2023-08-30T19:44:22Z")\
**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:** [August 31, 2023, 9:12am UTC](https://prepomax.discourse.group/t/frictionless-support-to-run-a-1-8-symmetry-problem/1053/5 "2023-08-31T09:12:11Z")

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> [@Matej](#):
>
> Another approach could also be to use a new coordinate system and define the supports based on it.

That’s right, the \*TRANSFORM keyword can also help in this case.

> [@\*TRANSFORM (R and C)](https://prepomax.discourse.group/t/transform-r-and-c/499):
>
> Hi, I would like to see the implementation of the two types of \*TRANSFORM (R and C). It would help the user to set up frictionless supports or the 3D solid axisymmetric slice between others, extending considerably the Prepomax BC options. Thanks

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