# Yoyo CAD & Prototyping Adventures **URL:** \ **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:** 20\ **Page:** 84
**Author:** ![eatpotaro](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/eatpotaro/32/275790_2.png) [@eatpotaro](https://forums.yoyoexpert.com/u/eatpotaro)\ **Post date:** [July 17, 2024, 8:35am UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1696 "2024-07-17T08:35:43Z")
i was wondering how much different a 4a yoyo would be, specifically the bearing seat. i know the yoyo i have atm (sky dancer) uses a nut and a bolt for the bearing and axel and embeds the response pads in the body as usual, but what about other throws? Also is there a template like there is a for a 1a throw if they are different ---
**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:** [July 17, 2024, 1:55pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1697 "2024-07-17T13:55:49Z")
I believe all plastic yo-yos have a metal insert for the axle and inner part of the bearing seat. The response pad area does not need to be as precise so they are not made of metal. I think it depends on the designer whether they want to use a nut and bolt though. ---
**Author:** ![redativity](https://avatars.discourse-cdn.com/v4/letter/r/4af34b/32.png) [@redativity](https://forums.yoyoexpert.com/u/redativity)\ **Post date:** [July 18, 2024, 4:05am UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1698 "2024-07-18T04:05:46Z")
The nut and bolt construction is probably only used on the cheaper injection molded 4a yoyos. Some older yoyofactory models for 1a like replay and protostar use it as well. The more expensive machined 4a yoyos use pretty much the same construction as 1a plastics, except with longer axle and thicker plastic around the center hub for more reinforcement. ---
**Author:** ![eatpotaro](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/eatpotaro/32/275790_2.png) [@eatpotaro](https://forums.yoyoexpert.com/u/eatpotaro)\ **Post date:** [July 18, 2024, 12:11pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1699 "2024-07-18T12:11:26Z")
ah that makes sense, my only comparison point is the YYF sky dancer. this also means i can use the same template right? ---
**Author:** ![MarkD](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/markd/32/40845_2.png) [@MarkD](https://forums.yoyoexpert.com/u/MarkD)\ **Post date:** [July 18, 2024, 5:11pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1700 "2024-07-18T17:11:09Z")
> [@AtomicChessGuy](#): > > ![image](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/d/7/b/d7b3717910b6d7f7fe4d1f09f75463cfe6d0e9f9.jpeg) This one looks nice, though at this point I wonder if doing press fit rims from the outside (with an overhang) would make more sense design-wise. I think they end up being easier to assemble, and no less durable. ---
**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:** [July 18, 2024, 5:25pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1701 "2024-07-18T17:25:55Z")
Like this? ![image](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/f/2/f/f2fc5ff643f375d6ac973869f7a2d5f877ede7bf.jpeg) ---
**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:** [July 19, 2024, 7:48pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1702 "2024-07-19T19:48:54Z")
Decided to experiment with a design that isn’t round. ![image](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/0/3/1/0314b9637acd948cc533040a3bcc7ee0705bdf3f.jpeg) ![Square_7075_Pumpkin_RaisedFront](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/6/3/6/636c6ae29eb4101e94eb9c38378a1ca7f80cc1e9.jpeg) ![Square_7075_Pumpkin_StraightFront](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/2/5/c/25c34b10e01b6986d64d0ce26c60f4e3c1c7700c.jpeg) ![Square_7075_Pumpkin_Isometric](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/1/5/e/15e0bebc3cd05ef66d024cd92307c295363ea4fb.jpeg) ![Square_7075_DarkGreen_RaisedFront](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/4/8/f/48fa6901bd5c459b9900ef8dbb0351c67dd43263.jpeg) ![Square_7075_DarkGreen_StraightFront](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/1/a/71a5e132a5a244b6b05c356c48d4e3aa2c623d95.png) ![Square_7075_DarkGreen_Isometric](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/5/b/e/5be0d42ffecbefd73c8bf81f690a5aabcc07ae51.jpeg) ![Square_7075_Silver_RaisedFront](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/9/b/5/9b5297a81797b501f81b39cfc4e26fa32b5f089a.jpeg) ![Square_7075_Silver_StraightFront](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/0/6/7/0677c8c0ce24760467fcb1121690da9991992347.jpeg) ![Square_7075_Silver_Isometric](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/f/e/f/fef1bf7a3be4d84d99cafe4802bd6f19e939c35b.jpeg) Specs: Width: 48mm Height(Side to Side): 51mm Height(Corner to Corner): 63.84mm Half Weight: 31.09gms Assembled Weight: 65.08gms MMOI: 16471 Body Material: 7075 Aluminum Bearing: Size C Axle: M4 x 8mm x 0.7mm Thoughts anyone? Sidenote: Please ignore the 4 black dots at the bottom of the cross sectional view. There aren’t any holes in the yoyo. ---
**Author:** ![Prion\_yoyos](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/prion_yoyos/32/190184_2.png) [@Prion\_yoyos](https://forums.yoyoexpert.com/u/Prion_yoyos)\ **Post date:** [July 19, 2024, 8:03pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1703 "2024-07-19T20:03:11Z")
this is probably one of your “bist” designs ---
**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:** [July 19, 2024, 8:25pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1704 "2024-07-19T20:25:25Z")
What do you mean by saying “Bist”? ---
**Author:** ![Prion\_yoyos](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/prion_yoyos/32/190184_2.png) [@Prion\_yoyos](https://forums.yoyoexpert.com/u/Prion_yoyos)\ **Post date:** [July 19, 2024, 8:40pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1705 "2024-07-19T20:40:54Z")
theres a yoyo manufacturer named bist who has some pretty wild designs with lots of cutouts and strange geometry. one of his more down to earth designs is the tondo ![tondo11_1](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/8/c/9/8c98ec966390f349c768eba40031bd4febe12bb4.jpeg) ---
**Author:** ![Captrogers](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/captrogers/32/647012_2.png) [@Captrogers](https://forums.yoyoexpert.com/u/Captrogers)\ **Post date:** [July 19, 2024, 9:33pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1706 "2024-07-19T21:33:03Z")
Similar but still pretty different ---
**Author:** ![Prion\_yoyos](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/prion_yoyos/32/190184_2.png) [@Prion\_yoyos](https://forums.yoyoexpert.com/u/Prion_yoyos)\ **Post date:** [July 19, 2024, 10:37pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1707 "2024-07-19T22:37:58Z")
ur right. maybe the hattori boost is a better comparison ---
**Author:** ![Yo-yo\_Power](https://avatars.discourse-cdn.com/v4/letter/y/f07891/32.png) [@Yo-yo\_Power](https://forums.yoyoexpert.com/u/Yo-yo_Power)\ **Post date:** [July 20, 2024, 7:13pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1708 "2024-07-20T19:13:05Z")
Anyone have a gut measurement cheat sheet for size C and D bearing? ---
**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:** [July 20, 2024, 7:17pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1709 "2024-07-20T19:17:09Z")
What do you mean by cheat sheet? A list of all the proper dimensions? ---
**Author:** ![Yo-yo\_Power](https://avatars.discourse-cdn.com/v4/letter/y/f07891/32.png) [@Yo-yo\_Power](https://forums.yoyoexpert.com/u/Yo-yo_Power)\ **Post date:** [July 20, 2024, 7:44pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1710 "2024-07-20T19:44:20Z")
It would be helpful. I’m day one in CAD ---
**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:** [July 20, 2024, 8:33pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1711 "2024-07-20T20:33:31Z")
I can screen shot the dimensions of a yoyo and you can use them, however it would be more beneficial if you learned why the dimensions are the way they are so, in the future if you want to design for something different you know what you need to do to get the correct dimensions. This video covers that great: [![](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/d/1/2/d12aab3782a4ab938a87d7db399e10dfdc02741f.jpeg "Yoyo Design 101: Lesson 1: Introduction and "The Guts"") ](https://www.youtube.com/watch?v=7RmFeVW3wSk) If you still want a screen shot however, just PM me like you did before. ---
**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:** [July 21, 2024, 4:15am UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1712 "2024-07-21T04:15:44Z")
![IMG_1536](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/4/2/3/42314da0a5bb0f2e0ac443f7851d8d94b27f1cdc.jpeg) ![IMG_1539](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/f/b/6/fb6ff1578d05ab1aa0343ccfdf17ffe113037d23.jpeg) ![IMG_1538](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/1/2/4/124e58b31aa06f9b33efdd46811fe4552c5a81e6.jpeg) ![IMG_1540](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/2/3/1/231cca5ac59970002580fe4c579037894d52fe2e.jpeg) ![IMG_1537](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/0/6/c/06cb0080534f10ed98d84fcb6eca1a05683e9ed4.jpeg) ![IMG_1541](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/6/9/4/6948a44d0ea1354c9b380e0b0bbf23ff03538eec.jpeg) ![IMG_1542](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/5/9/7/59738885e9ba9dd5a2d699296a3c6cc2b0980898.jpeg) ![IMG_1543](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/4/5/e/45e2382daecb094df45cc4c46b86fff080697ebf.jpeg) ![IMG_1545](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/f/4/5/f459c87d6ab1eb80a069cb413b8be9c3f539599d.jpeg) ![IMG_1544](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/8/4/784e1a9dfbf02dddcd9f229bbe6337fb5fdb9a10.jpeg) Specs: Width: 48mm Height(Side to Side): 51mm Height(Corner to Corner): 63.841mm Half Weight: 31.12 gms Assembled Weight: 65.178gms MMOI: 18194 Body Material: 7075 Aluminum Rim Material: 303 Stainless Steel Axle: M4 x 8mm x 0.7mm Bearing: Size C Response: “Standard” 19mm Thoughts anybody? ---
**Author:** ![FrankDeath](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/frankdeath/32/271970_2.png) [@FrankDeath](https://forums.yoyoexpert.com/u/FrankDeath)\ **Post date:** [July 21, 2024, 3:09pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1713 "2024-07-21T15:09:05Z")
It looks like a yo-yo I’d like to watch other people play. ---
**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:** [July 21, 2024, 6:58pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1714 "2024-07-21T18:58:14Z")
What does that mean? ---
**Author:** ![FrankDeath](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/frankdeath/32/271970_2.png) [@FrankDeath](https://forums.yoyoexpert.com/u/FrankDeath)\ **Post date:** [July 21, 2024, 10:09pm UTC](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1715 "2024-07-21T22:09:08Z")
It means I don’t think it would be fun to throw (or catch) so I definitely wouldn’t buy one. It would be fun watching others play with an awkward throw, however. [Previous page](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547.md?page=83) [Next page](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547.md?page=85)