# Yoyo CAD & Prototyping Adventures

**URL:** <https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [August 7, 2018, 3:40pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547 "2018-08-07T15:40:59Z")\
**Posts on this page:** 1\
**Showing post:** 1576

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**Author:** ![AtomicChessGuy](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/atomicchessguy/32/606394_2.png) [@AtomicChessGuy](https://forums.yoyoexpert.com/u/AtomicChessGuy)\
**Post date:** [June 18, 2024, 7:46pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1576 "2024-06-18T19:46:14Z")

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I saw this thread a while back so I thought I would try to experiment with flat rims.

> [@Flat Rim Gang](https://forums.yoyoexpert.com/t/flat-rim-gang/402513):
>
> Tell me your favourite flat rim throws! I’ve been obsessed with these lately, from Markmont & OD to DV888. Something about the feel is just so satisfying to my hands. Elevated & Kuntosh are by far my favourites Let me know what your first picks are!

 ![Screenshot 2024-06-18 123854](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/b/1/7b18c53de115ece96f7c259422d04407d7ea964d.jpeg)

 ![Flat_Rim_7075_+_SS_DarkBlue_Front](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/0/8/3/0835b9e38b034b046317a989b09e701ad1c8d340.jpeg)

 ![Flat_Rim_7075_+_SS_DarkBlue_Isometric](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/e/6/5/e6572828765d103fd49f32f1af061606b11094fa.jpeg)

 ![Flat_Rim_7075_+_SS_RustRed_Front](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/5/b/75ba1b36dd6151ef255055149651904f048eecb4.jpeg)

 ![Flat_Rim_7075_+_SS_RustRed_Isometric](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/5/0/0/5002c2cb1ca1236529c6bdd6561059feb2da0224.jpeg)

Specs:  
Width: 49mm  
Catch Zone: 37.7mm  
Diameter: 54mm  
Half Weight: ~29.15gms  
Assembled Weight: ~61.2gms  
MMOI: 16146  
Bearing: Size C  
Axle: M4 x 10mm x 0.7mm (I think that is the proper way to say it?)  
Body Material: 7075 Aluminum  
Rim Material: 303 Stainless Steel

Thoughts or criticism anyone?

 ![image](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/2/c/3/2c366fea3101a23f6776eaa8c0eb6d2cecde90e6.jpeg)  
I also added a little groove for your nail to go in when doing Thumb Grinds. (Although I think I might have made it little bit too small.)

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