# UDT FlowAlongSrf - refit vs. refine/addKnot

**URL:** <https://discourse.mcneel.com/t/udt-flowalongsrf-refit-vs-refine-addknot/210702>\
**Category:** Rhino\
**Tags:** mac\
**Created:** [October 7, 2025, 4:35pm UTC](https://discourse.mcneel.com/t/udt-flowalongsrf-refit-vs-refine-addknot/210702 "2025-10-07T16:35:49Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![brian](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/brian/32/504171_2.png) [@brian](https://discourse.mcneel.com/u/brian)\
**Post date:** [January 21, 2026, 7:06pm UTC](https://discourse.mcneel.com/t/udt-flowalongsrf-refit-vs-refine-addknot/210702/18 "2026-01-21T19:06:44Z")

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[RH-91541](https://mcneel.myjetbrains.com/youtrack/issue/RH-91541) is fixed in Rhino [WIP](https://discourse.mcneel.com/t/welcome-to-serengeti/9612)

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_[View the full topic](https://discourse.mcneel.com/t/udt-flowalongsrf-refit-vs-refine-addknot/210702)._