# How to create a bowed or barrel-shaped ring profile?

**URL:** <https://discourse.shapr3d.com/t/how-to-create-a-bowed-or-barrel-shaped-ring-profile/41315>\
**Category:** Modeling Questions\
**Created:** [July 27, 2026, 1:32am UTC](https://discourse.shapr3d.com/t/how-to-create-a-bowed-or-barrel-shaped-ring-profile/41315 "2026-07-27T01:32:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![myloopoffaith](https://avatars.discourse-cdn.com/v4/letter/m/ecccb3/32.png) [@myloopoffaith](https://discourse.shapr3d.com/u/myloopoffaith)\
**Post date:** [July 27, 2026, 1:32am UTC](https://discourse.shapr3d.com/t/how-to-create-a-bowed-or-barrel-shaped-ring-profile/41315/1 "2026-07-27T01:32:09Z")

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I’m new to Shapr3D and working on a simple rotationally symmetric band form.

I began with two concentric circles, extruded them into a ring, and added fillets. The current cross-section is essentially straight:

| |

I would like both the inner and outer walls to have a gentle matching bow:

) )

I’m not trying to increase the edge fillets. I want the middle of both walls to curve outward slightly while maintaining a fairly consistent wall thickness. In the attached image, the YELLOW LINES indicate the desired broad bow of the inner and outer walls. I am not trying to increase the edge fillets.

Is the best approach to rebuild the body from a closed side-profile sketch and use Revolve, or is there a reliable way to modify the existing extruded body?

If anyone has a generic example or practice file showing a bowed band, gasket, or similar revolved profile, I’d appreciate seeing the workflow.

 ![IMG_0948](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/2/d/2dbcdde60d801dc009d852ffb5153281ba7ae283.jpeg)

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**Author:** ![TigerMike](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/tigermike/32/32650_2.png) [@TigerMike](https://discourse.shapr3d.com/u/TigerMike)\
**Post date:** [July 27, 2026, 2:14am UTC](https://discourse.shapr3d.com/t/how-to-create-a-bowed-or-barrel-shaped-ring-profile/41315/2 "2026-07-27T02:14:20Z")

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Personally, I would just recreate it using the Revolve tool.

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**Author:** ![myloopoffaith](https://avatars.discourse-cdn.com/v4/letter/m/ecccb3/32.png) [@myloopoffaith](https://discourse.shapr3d.com/u/myloopoffaith)\
**Post date:** [August 1, 2026, 9:02pm UTC](https://discourse.shapr3d.com/t/how-to-create-a-bowed-or-barrel-shaped-ring-profile/41315/3 "2026-08-01T21:02:27Z")

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That worked! Thanks so much for the advice.