# Command: RailRevolve

**URL:** <https://discourse.mcneel.com/t/command-railrevolve/3952>\
**Category:** Rhino for Windows\
**Created:** [November 18, 2013, 7:22am UTC](https://discourse.mcneel.com/t/command-railrevolve/3952 "2013-11-18T07:22:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Knead](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/knead/32/66196_2.png) [@Knead](https://discourse.mcneel.com/u/Knead)\
**Post date:** [November 18, 2013, 7:22am UTC](https://discourse.mcneel.com/t/command-railrevolve/3952/1 "2013-11-18T07:22:30Z")

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Hi there.

When I use the command RailRevolve, the result was incorrect with rotated central axis.  
Do you know the reason?

[RailRevolve\_RhinoV5\_SR7\_20131113.zip](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/f/1/f131909311e7580be078f942b26131b553087d79.zip) (34.7 KB)

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**Author:** ![clement](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/clement/32/759176_2.png) [@clement](https://discourse.mcneel.com/u/clement)\
**Post date:** [November 18, 2013, 2:13pm UTC](https://discourse.mcneel.com/t/command-railrevolve/3952/2 "2013-11-18T14:13:05Z")

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Hi Knead,

to prevent this error, move the heart rail curve up vertically so it touches the profile curve.

greetings,  
c.

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**Author:** ![Knead](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/knead/32/66196_2.png) [@Knead](https://discourse.mcneel.com/u/Knead)\
**Post date:** [November 18, 2013, 2:38pm UTC](https://discourse.mcneel.com/t/command-railrevolve/3952/3 "2013-11-18T14:38:10Z")

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![](https://sea3.discourse-cdn.com/mcneel/uploads/default/1747/ab5b62d779976cbd.gif) Ah! Thank you so much!