# Extrude to a surface

**URL:** https://discourse.shapr3d.com/t/extrude-to-a-surface/8895
**Category:** Modeling Questions
**Created:** [September 7, 2020, 2:48am UTC](https://discourse.shapr3d.com/t/extrude-to-a-surface/8895 "2020-09-07T02:48:17Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![davidullman](https://avatars.discourse-cdn.com/v4/letter/d/d78d45/32.png) [@davidullman](https://discourse.shapr3d.com/u/davidullman)
#### Post date: [September 7, 2020, 2:48am UTC](https://discourse.shapr3d.com/t/extrude-to-a-surface/8895/1 "2020-09-07T02:48:18Z")

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I already have a surface and I create a plane external to it. I draw a sketch on the plane and want to extrude it to the surface. Other solid modelers do this easily, but I cant figure out how to do it here.

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### Author: ![Zoli](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/zoli/32/592_2.png) [@Zoli](https://discourse.shapr3d.com/u/Zoli)
#### Post date: [September 7, 2020, 3:03am UTC](https://discourse.shapr3d.com/t/extrude-to-a-surface/8895/2 "2020-09-07T03:03:16Z")

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Try using “Replace face” tool