All of my 3D printed yoyos I have made so far:
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I’m using CAD for one of my design classes and In my free time I’ve been designing fixed axle halves that use a wood dowel for the axle. When that project moves to the physical stage I plan on sharing it here.
In the mean time I will share a yo I designed based off of a Bones V2 Skateboard wheel (Size 54). These were my favorite street wheel before I switched to some softer OJs. It uses a 608 bearing and the axle/nut are the same size as on a truck so that you would use a skate tool (or two lol) to take it apart.
This would probably suck to play but I like the act of designing a lot and just want to make some fun looking things.
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This looks cool. How big is the bearing, but and bolt?
The bearing is a 608 size:
OD: 22mm
ID: 8mm
Width: 7mm
And for the nut and bolt I used this bolt as a base and changed it’s length to match the overall width with enough threads to reach the rubber in the nut on the other side.
Edit: This nut and bolt combo that is pictured isn’t perfectly the same size as the real thing I just picked one that was close to add without building it myself.
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For the last three months, I’ve been casually designing a 1a yoyo (in my free time after homework and stuff) and I thought I would just put it out there. I’m messing with the rims bc I would like it to be a bimetal. any thoughts? I have no idea how I would get it machined tho 
Width≈49
Diameter≈52
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@Thrower4aCK
This looks pretty cool. You will want to constrain everything so it can’t be moved around by dragging. If you are using Onshape it should turn black once fully constrained. You might want to fillet some of those sharp corners including the edge of the rims. It looks like there is quite a lot of center weight as well. If you want to learn to design a yo-yo, I always recommend this series:
First video:
And for interfacing bimetal rims:
If you have questions on anything else, please reach out.
As for manufacturing if you want to make one of your designs you can go through here:
They are a reputable company and run Yoyofriends. I wouldn’t recommend making your very first design however. Make some more and get experience first, then come back to what you wanted to make originally.
i need a spacer and bearing seat combo for my yoyo design, kinda like the one from yoyo factory, is there any non yoyo factory alternative? it seems like most hybrid yoyos nowadays uses a press fit hub that already has the bearing seat machined, and use a spacer without the bearing seat
You said it had lots of centre weight. I would like it to have a finger spin part. Do you know of any solutions?
how thin can polycarbonate be machined in a yoyo body?
@Thrower4aCK For your design in the other post you were looking at polycarbonate? If so I would try to plug in density numbers or calculate the weight yourself based on volume. That design seemed to thin for polycarb, also poly is generally molded then machined if necessary. Delrin is much more accessible for machining. Fingerspin areas usually add thickness on design principle if you want to dip into a fingerspin, you could have it poking out instead with a radius lip if you didn’t want to add so much material. Other than that to fix the center to outer weight ratio you could increase the rim weight.
sorry, but I do not understand the fingerspin part, I don’t understand the vocab. could you provide an image?
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Im just offhanded replying I’m sorry if I’m not explaining well enough. Here’s a picture of a fingerspin area on a design I’m working on.
Wouldn’t that stop the finger from going in?
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Its not necessarily made to assist the finger to go in as much as it is to provide a spot for finger spins.
That being said the radius or fillet edge is only 2mm so just a slight bump to get over.
If that is the case then there is not a ton you can do. Most yoyos that have a finger spin dimple like that have a lot of center weight.
It can go as thin as anywhere from 2 to 2.5 mm thick.
I would recommend watching the videos I sent you.
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excuse me if this is a foolish question but what does it mean to constrain something? I’m new to the whole field.
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it means that you define certain properties e.g. length, angle, etc so that the line cannot be changed. its like if you define 2 sides of a triangle and an angle, that fully defines the triangle as you cant change any more of the lengths of angles
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how should I design bimetal rims? how should they attach to the body? I’m kinda going for the wrap-around version like the Marco.
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