# Is the pattern the right tool?

**URL:** https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567
**Category:** Modeling Questions
**Created:** [July 3, 2023, 6:57pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567 "2023-07-03T18:57:45Z")
**Posts on this page:** 16
**Page:** 1

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### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 6:57pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/1 "2023-07-03T18:57:45Z")

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Hey all!

I need some advises again. Please have look at this image:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/2/b/2be0a7d6fae7c8282beb2b529c6bf71446569958.jpeg)

My question is related to riffled middle part of the monitor. As @Stephen mentioned in [his post for my other question](https://discourse.shapr3d.com/t/connect-two-sketch-planes-over-a-curved-surface/26506/2),I thought the pattern tool can help again. BUT: patterns are only available straight or circular. So, what would you suggest how to design this middle part?

Thanks for your ideas!  
Frank

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### Author: ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)
#### Post date: [July 3, 2023, 7:04pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/2 "2023-07-03T19:04:09Z")

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Do you mean the hood shaped parts?

 ![IMG_1576](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/0/8/086116e4eb73f5972c080cc4379b0f02c4a73eb9.jpeg)

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### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 7:38pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/3 "2023-07-03T19:38:34Z")

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Yes, I mean these parts.

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### Author: ![TheBum](https://avatars.discourse-cdn.com/v4/letter/t/eada6e/32.png) [@TheBum](https://discourse.shapr3d.com/u/TheBum)
#### Post date: [July 3, 2023, 7:52pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/4 "2023-07-03T19:52:08Z")

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I don’t know of there’s an easier way, but you could iteratively create the front section, draw a sketch of the next section on the rear face of the first section, and then extrude it to create the next section.

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### Author: ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)
#### Post date: [July 3, 2023, 7:57pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/5 "2023-07-03T19:57:16Z")

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Good suggestion from TheBum.

I’d additionally suggest a profile of the hood and then Sweep it around the area you need.

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### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 8:03pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/6 "2023-07-03T20:03:28Z")

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Oh men… you are awesome! Why do I never have ideas like that! 😃  
Thanks, I will try that out. 🙏🏼

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### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 8:10pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/7 "2023-07-03T20:10:25Z")

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But I see one difficulty:  
This solution won’t work, because the ascent from back to front on the top and bottom is less steep than on the right and left.

 ![Xnapper-2023-07-03-22.10.10](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/e/7/e70b1bcbf21f12b6ced64c3c158063f278b73a96.jpeg)

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### Author: ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)
#### Post date: [July 3, 2023, 8:12pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/8 "2023-07-03T20:12:48Z")

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It won’t matter, you just need to factor that into the box you are sweeping around.

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### Author: ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)
#### Post date: [July 3, 2023, 8:15pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/9 "2023-07-03T20:15:08Z")

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If the hood is collapsible, you can use Split Body on a plane at each section. I’ve done one here to show how.

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### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 8:15pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/10 "2023-07-03T20:15:45Z")

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When I sweep around that inner rectangle, it will produce a gap on the left and ride side.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/4/4/440458a05a8aa36e15945965b598527775db8bc8.jpeg)

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### Author: ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)
#### Post date: [July 3, 2023, 8:19pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/11 "2023-07-03T20:19:59Z")

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I’m not sure I understand. But I’ll try it with a rectangle and repost in a few minutes.

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### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 8:21pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/12 "2023-07-03T20:21:44Z")

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Yeah, it has to go from a rectangle to a (nearly) square.

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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 3, 2023, 8:22pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/13 "2023-07-03T20:22:14Z")

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Here’s my 2 cents. I used a combination of **Pattern** and **Subtract**.  
I made a dummy body with a cavity which was scaled up in two directions and used for the final **Subtract**.

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<div class="post-metadata">

### Author: ![woodbytes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/woodbytes/32/17195_2.png) [@woodbytes](https://discourse.shapr3d.com/u/woodbytes)
#### Post date: [July 3, 2023, 8:24pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/14 "2023-07-03T20:24:43Z")

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Oh, this looks promising! I will try that out. Thank you!

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### Author: ![Stephen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/stephen/32/16350_2.png) [@Stephen](https://discourse.shapr3d.com/u/Stephen)
#### Post date: [July 3, 2023, 8:27pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/15 "2023-07-03T20:27:55Z")

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Excellent result Mike. Great work as usual 👍

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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 3, 2023, 8:33pm UTC](https://discourse.shapr3d.com/t/is-the-pattern-the-right-tool/26567/16 "2023-07-03T20:33:18Z")

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Thank you Stephen. Always glad to offer a different approach. 🕶
