# How do I make something on the curve of a dome?

**URL:** <https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413>\
**Category:** Modeling Questions\
**Created:** [December 18, 2020, 2:33pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413 "2020-12-18T14:33:14Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![PolarPanda01](https://avatars.discourse-cdn.com/v4/letter/p/57b2e6/32.png) [@PolarPanda01](https://discourse.shapr3d.com/u/PolarPanda01)\
**Post date:** [December 18, 2020, 2:33pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413/1 "2020-12-18T14:33:14Z")

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Hello! I’m new to Shapr3d but I only have one question… I built a dome shape by building a cylinder and curving the top corners. But how do I. do a sketch and exruded shape onto the curve, 9for example a curved tank turret with a gun barrel shape connected to it) or is it impossible? Thanks!

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**Author:** ![PolarPanda01](https://avatars.discourse-cdn.com/v4/letter/p/57b2e6/32.png) [@PolarPanda01](https://discourse.shapr3d.com/u/PolarPanda01)\
**Post date:** [December 18, 2020, 2:44pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413/2 "2020-12-18T14:44:45Z")

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![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/6/619f7bae6bc66a18955826656c4a644aba3f3acd.jpeg)  
This is my dome

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**Author:** ![KPeter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/kpeter/32/7644_2.png) [@KPeter](https://discourse.shapr3d.com/u/KPeter)\
**Post date:** [December 18, 2020, 3:00pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413/3 "2020-12-18T15:00:34Z")

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Hi, If you create a drawing plane from the _Add -\>Construction Plane_ menu, you can create the sketches which can be projected onto the curved surface.  
There is an awesome thread about wrapping curves onto curved surfaces, please take a look at it:

> [@2D map to 3D wrap](https://discourse.shapr3d.com/t/2d-map-to-3d-wrap/10313/13):
>
> I’m not experienced in coraldraw Though the whole idea of me purchasing an iPad and shapr3d is “portability”. Coraldraw might be better solution but I can’t find it on app store nor play store. I have a PC though but I use it for gaming slightly_smiling_face

Feel free to let me know if it helps

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**Author:** ![PolarPanda01](https://avatars.discourse-cdn.com/v4/letter/p/57b2e6/32.png) [@PolarPanda01](https://discourse.shapr3d.com/u/PolarPanda01)\
**Post date:** [December 18, 2020, 3:08pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413/4 "2020-12-18T15:08:17Z")

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I wil give that a go, thank you so much for your hekp!!!

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**Author:** ![jpulaski](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/jpulaski/32/8406_2.png) [@jpulaski](https://discourse.shapr3d.com/u/jpulaski)\
**Post date:** [December 18, 2020, 3:24pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413/5 "2020-12-18T15:24:36Z")

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Another great thread to look at:

> [@Earth globe puzzle](https://discourse.shapr3d.com/t/earth-globe-puzzle/10211):
>
> The most difficult project for me

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**Author:** ![Oregonerd](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/oregonerd/32/8012_2.png) [@Oregonerd](https://discourse.shapr3d.com/u/Oregonerd)\
**Post date:** [December 18, 2020, 7:41pm UTC](https://discourse.shapr3d.com/t/how-do-i-make-something-on-the-curve-of-a-dome/10413/6 "2020-12-18T19:41:46Z")

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Think of your design as several pieces or bodies as a gun turret would be. The dome, the barrel elevator, the barrel, etc… The separate bodies created then could be merged used the boolean tools if desired later.