Two YoYo

I had a number of people MUCH better at yo-yoing than me test this throughout the entirety of the development and give me essential feedback as to what I need to do to improve it. I have learned so much about how a yoyo works in this process and it has improved my own skill.

I used 3/8” stainless steel slingshot ammunition to make this yoyo's weight distribution better The yoyo is an organic shape with a comfortable feel and fun play style. you are able to do many beginner to advanced tricks with it and people of all ages have fun with it!

DESIGN DETAILS FOR NERDS (like me lol) 

Tech Specs:

DETAIL

VALUE

WEIGHT

67g

WIDTH

49.5mm

DIAMETER

59.5mm

BEARING

Size C

AXLE STYLE

M4x20 Hex Bolt and Nylock Hex nut

RESPONSE PADS

YYF 19mm Pads

SIZE OF WEIGHTS

3/8”

# OF WEIGHTS (TOTAL)

6

3D printing is at a point that yoyos that do not vibrate (yoyo vibe) is not currently possible. I believe within the next decade and a half we may see a 3D printing technology capable of much greater precision which will allow for better printed yoyos. I figure in the meantimes I better get to work on my designs though lol

I have hardware kits available on my website here. I also sell the fully printed yoyo there and I sell the files for a discount over there so check it out!

BUILD GUIDE:

The building process is I would say moderately difficult and uses some unique techniques to get this yoyo spinning as good as it does.

STEP 1: Parts list

Item

Quantity needed

Link

Notes

Standard 19mm Response pads

1 (pair)

1

Used in so many yoyos!!! These may suprise you if you are new to yoyoing

M4 hex bolt

1x

2

These can often be found at your local hardware store.

M4 hex nut

1x

3
NYLOCK

These can often be found at your local hardware store. Nylock also works really well. 

3/8” Slingshot ammo

x6

4

I like Umarex but there are others I have tested and they are totally fine. they just need to be 3/8th’s of an inch in diameter consistently!

Size C concave YoYo bearing

1

5

Bearings can be expensive! included is my budget link lol

YoYo String

1

6

If you are new you will need to get some!

Here is an Image of all the hardware listed in the table above.

STEP 2: Printing

1. Use a minimum layer height of .2mm but if you want to go with adaptive that is also fine. I highly recommend using the printing settings outlined in the .3mf file. 
2. Put a pause at 10.6mm to allow you to insert the weights.
3. Print and insert weights
4. Insert the bolt, nut, bearing, and response pads and then screw the yoyo halves together.