# Creating surfaces between 2 polylines

**URL:** <https://discourse.mcneel.com/t/creating-surfaces-between-2-polylines/83104>\
**Category:** Grasshopper\
**Created:** [May 10, 2019, 2:48pm UTC](https://discourse.mcneel.com/t/creating-surfaces-between-2-polylines/83104 "2019-05-10T14:48:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![EliabuRada](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/eliaburada/32/655710_2.png) [@EliabuRada](https://discourse.mcneel.com/u/EliabuRada)\
**Post date:** [May 10, 2019, 2:48pm UTC](https://discourse.mcneel.com/t/creating-surfaces-between-2-polylines/83104/1 "2019-05-10T14:48:53Z")

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Hey,  
I am having trouble to create a srf between this é polyline and i just cant understand why,  
does anybody knows?

 ![crv](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/5/5/55c821ebc73a5513f039a87680d5e397fa3b3dba.jpeg) ![gh%2001](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/f/6/f692265b52c7954c9700cca5d8a922911dc9ead8.png)

[offset.gh](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/6/9/69f860f435bce7f2510c923ff1a667ef0a619c3c.gh) (13.6 KB)  
[polyline.3dm](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/6/0/60958ba95691c4f110e5c3146034e7a585fdf7ad.3dm) (1.6 MB)

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**Author:** ![HS\_Kim](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/hs_kim/32/473975_2.png) [@HS\_Kim](https://discourse.mcneel.com/u/HS_Kim)\
**Post date:** [May 10, 2019, 3:16pm UTC](https://discourse.mcneel.com/t/creating-surfaces-between-2-polylines/83104/2 "2019-05-10T15:16:36Z")

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Like this?

 ![Canvas%20at%2000%3B15%3B32](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/e/9/e94d7ba6074238a8e6feb72746ac7fb0d4d2da88.jpeg)  
[offset\_re.gh](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/0/c/0c966ac667d94c097b8e4b9f48af40831f5ffe0e.gh) (16.6 KB)

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<div class="post-metadata">

**Author:** ![EliabuRada](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/eliaburada/32/655710_2.png) [@EliabuRada](https://discourse.mcneel.com/u/EliabuRada)\
**Post date:** [May 11, 2019, 10:32pm UTC](https://discourse.mcneel.com/t/creating-surfaces-between-2-polylines/83104/3 "2019-05-11T22:32:35Z")

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Wonderful, thanks