# Blend Surface

**URL:** <https://discourse.mcneel.com/t/blend-surface/212705>\
**Category:** Rhino\
**Tags:** windows, rhino5\
**Created:** [November 21, 2025, 6:31pm UTC](https://discourse.mcneel.com/t/blend-surface/212705 "2025-11-21T18:31:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Oskar\_Zelazny](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/oskar_zelazny/32/711726_2.png) [@Oskar\_Zelazny](https://discourse.mcneel.com/u/Oskar_Zelazny)\
**Post date:** [November 21, 2025, 6:31pm UTC](https://discourse.mcneel.com/t/blend-surface/212705/1 "2025-11-21T18:31:13Z")

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Hello

I’m using Rhino 5 and want to make a railing using Blend Surface on the stairs and balcony. The problem is that it doesn’t match my floor plan as shown in the photos.

[RAIL.3dm](https://discourse.mcneel.com/uploads/short-url/7G44OG1om37ifqIyekMsMsmZjNL.3dm) (445.3 KB)

 ![2.PNG](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/2/c/7/2c77e279441dbba12c473bf1b517a8739446045b.jpeg)

 ![1](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/e/f/4/ef4c98be5e565b2c49dadefa68d9e09df5a1b1bb.png)

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<div class="post-metadata">

**Author:** ![Japhy](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/japhy/32/487647_2.png) [@Japhy](https://discourse.mcneel.com/u/Japhy)\
**Post date:** [November 21, 2025, 6:47pm UTC](https://discourse.mcneel.com/t/blend-surface/212705/2 "2025-11-21T18:47:39Z")

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There are several ways to go about this. Personally i think creating the curve would give more control by using Sweep2

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/1/b/2/1b2abe23340a76f887bfbf9827410794d5a8838e.png)