# Create a solid extrusion from a polyline self-intersecting errors

**URL:** <https://forum.dynamobim.com/t/create-a-solid-extrusion-from-a-polyline-self-intersecting-errors/16218>\
**Category:** Geometry\
**Created:** [November 3, 2017, 6:16pm UTC](https://forum.dynamobim.com/t/create-a-solid-extrusion-from-a-polyline-self-intersecting-errors/16218 "2017-11-03T18:16:28Z")\
**Posts on this page:** 1\
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**Author:** ![Yna\_Db](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/yna_db/32/30641_2.png) [@Yna\_Db](https://forum.dynamobim.com/u/Yna_Db)\
**Post date:** [November 8, 2017, 5:23pm UTC](https://forum.dynamobim.com/t/create-a-solid-extrusion-from-a-polyline-self-intersecting-errors/16218/11 "2017-11-08T17:23:31Z")

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I cannot right now, but see if this helps better:

> [@Point list in sequence](https://forum.dynamobim.com/t/point-list-in-sequence/16240/5):
>
> Ok, feeling generous. grinning Should solve your problem @thethtarzaw Part of an upcoming package. Node Description: Takes a list of unsorted points and orders them (clockwise/anti-clockwise around a centroid) to create a Perimeter. Useful for Polycurves and Surfaces. [Sort points as Perimeter] [Sastrugi - Sort Points as Perimeter.dyf](https://forum.dynamobim.com/uploads/short-url/ep8zpmoRincshQ7K69VQnZhPz8g.dyf) (10.5 KB)

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