# Help with drawing a part

**URL:** <https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198>\
**Category:** Modeling Questions\
**Created:** [August 1, 2021, 9:39am UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198 "2021-08-01T09:39:46Z")\
**Posts on this page:** 18\
**Page:** 1

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**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 1, 2021, 9:39am UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/1 "2021-08-01T09:39:46Z")

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Hey! I am renovating one of my cars and thought of trying to 3D print or mill this part of my steering wheel with my CNC. How would you draw the part and these grooves in shapr3D?

Regards Eric

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/0/0b6e6825c377e3bd7fc17f55229deb2cbe9b3817.jpeg)

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**Author:** ![Oldeshark](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/oldeshark/32/11280_2.png) [@Oldeshark](https://discourse.shapr3d.com/u/Oldeshark)\
**Post date:** [August 1, 2021, 10:26am UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/2 "2021-08-01T10:26:19Z")

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I’d draw the outline of what you want then revolve

Work out you measurement with a vernier calliper and you should be good, if wasn’t at work I’d do a vid to show you, btw sweet car.

If you have the iPad Pro you also scan the part just as guide as the part is obviously done for lol

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**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 1, 2021, 1:18pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/3 "2021-08-01T13:18:13Z")

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Thanks it’s a Chrysler New Yorker Newport 1956. 🙂 I have done the shape by using the sweep tool now but I can’t get the grooves right.

Thanks for the answer.  
Regards Eric

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/0/07d76fc91c9239120e499b2335da7f52002578d5.jpeg)

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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:** [August 1, 2021, 3:06pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/4 "2021-08-01T15:06:19Z")

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How about this: Figure the radius. Figure the distance of the gap in the wheel (if the part weren’t there). Count the segments in the part. Divide the gap distance by the number of segments. Create one segment with that number. Copy the segment by rotation from the center of the radius and then add the bodies together.

I think of that part like the old hammers with the leather handles that were stacked layers of leather. In this case I’d treat it like that.

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**Author:** ![Oldeshark](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/oldeshark/32/11280_2.png) [@Oldeshark](https://discourse.shapr3d.com/u/Oldeshark)\
**Post date:** [August 1, 2021, 4:32pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/5 "2021-08-01T16:32:05Z")

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Also remember if your grooves are in the wrong place say wrong death or which you can also use offset face to obviously correct this.

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**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 1, 2021, 7:11pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/6 "2021-08-01T19:11:33Z")

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Thanks for pointing me to the right direction 😀  
Now it’s feels right. Do you have any tip how to split the body in to half’s? I can of course saw it in to half’s but nice if I can print it that way. It’s necessary for mounting it to the steering wheel.

Regards Eric

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/a/aad511f1924accb92ed52d7b24bfcf43acc4a740.jpeg)

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**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 1, 2021, 7:12pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/7 "2021-08-01T19:12:35Z")

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Thanks for your tip 👍

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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:** [August 2, 2021, 3:56am UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/8 "2021-08-02T03:56:47Z")

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Try this:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/e/e109123ad53b4346ce0aab32d8edb4b62916b4a9.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/3/32cd0709b38333c9a1d73d7bbeb8b676822da483.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/3/3d8f4d1c62700fb10dd87ab30bb2261c3b217525.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/c/c2a42ffec99e8b37300d288cc3adbf417ddd407d.jpeg)

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<div class="post-metadata">

**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 2, 2021, 4:36pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/9 "2021-08-02T16:36:55Z")

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Thanks again! Now I can restore my steering wheel 😀

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/7/77602479b12ee83687c3c296a687735384971238.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:** [August 2, 2021, 4:43pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/10 "2021-08-02T16:43:37Z")

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Nice. If you decide to 3D print, what filament do you intend to use?

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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:** [August 2, 2021, 5:01pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/11 "2021-08-02T17:01:41Z")

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Nice job of it! I would add mating posts and sockets to the interior of the halves. That way they align and you get better adhesion when gluing them together. Not hard to do either. However it will make printing a little more difficult. You coucl make sockets in each half and separate alignment pins.

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<div class="post-metadata">

**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 2, 2021, 5:09pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/12 "2021-08-02T17:09:37Z")

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Good idea! I post the finish result here, it might be a winter project though. It’s still season for cruising 😉

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**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 3, 2021, 4:44am UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/13 "2021-08-03T04:44:36Z")

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Thanks 🙂 I probably use PETG but if so I might treat the surface to a nice finish and do a mold ant cast the parts in resin.

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<div class="post-metadata">

**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:** [August 3, 2021, 3:14pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/14 "2021-08-03T15:14:37Z")

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Cast the part in place. That’d be a trick,

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**Author:** ![Mopar71](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mopar71/32/11473_2.png) [@Mopar71](https://discourse.shapr3d.com/u/Mopar71)\
**Post date:** [August 3, 2021, 3:52pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/15 "2021-08-03T15:52:04Z")

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Hmm 🤔 True and that would be as close how they did it in 1956.

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**Author:** ![milouchien](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/milouchien/32/10020_2.png) [@milouchien](https://discourse.shapr3d.com/u/milouchien)\
**Post date:** [August 3, 2021, 4:23pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/16 "2021-08-03T16:23:06Z")

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Looking forward to seeing that!

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**Author:** ![milouchien](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/milouchien/32/10020_2.png) [@milouchien](https://discourse.shapr3d.com/u/milouchien)\
**Post date:** [August 3, 2021, 4:25pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/17 "2021-08-03T16:25:44Z")

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Btw all you experienced 3d printers out there, would it work to print the mould and then cast from that? Would the mould release if it was printed and coated appropriately?

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**Author:** ![McD](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mcd/32/15504_2.png) [@McD](https://discourse.shapr3d.com/u/McD)\
**Post date:** [August 3, 2021, 5:58pm UTC](https://discourse.shapr3d.com/t/help-with-drawing-a-part/14198/18 "2021-08-03T17:58:06Z")

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I have printed parts and molds on my multiple 3D printers. The results depend on the capability of the 3D printer. My resin based Form3 printer makes amazingly good molds. I don’t use anything other than Shapr3D to draw the designs.