Rotating Relaxing Rings Print in Place

Best the stress from COVID 19 using this unique and stress relieving toy.It is rotating rings.It is a very easy project and will be done within half an hour. After printing you will see that it works very smoothly.

Supplies

Tinkercad

3d printer

Step 1: Making Hollow Balls

First take a sphere from basic shapes
Make it of size 50 by 50 by 50mm
Duplicate it
Make it of size 48 by 48 by 48mm
Select the latter sphere. In shape (top right hand corner) you will see two options solid and hole. Select hole.
Select both spheres.
Select align. Select the center of all the nine dots. See fig.4
Group them.
Duplicate it 4 times.
Make the 2nd one 46 by 46 by 46mm
Make the 3rd one 42 by 42 by 42mm
Make the 4th one 38 by 38 by 38mm
Make the 5th one 34 by 34 by 34mm.

Step 2: Center Ball

Take a new sphere from the basic shapes.
Make it 30 by 30 by 30mm

Step 3: Grouping and Finalizing

Select all spheres.

Align them by selecting the middle dots of all the nine dots.

Group them.

Take two boxes which are holes

Expand their size so that they can cover the spheres.

Place one box on the bottom and one box on the top.

IMPORTANT-MAKE SURE YOU KEEP THE MIDDLE THICK.

Group the sphere and boxes.

You will get you rings.

You can now reduce the size.

DO NOT REDUCE THE SIZE BEFORE OR IT WILL NOT WORK.

Your rotating Relaxing rings are ready!!!!!

Credit : Eunny from Youtube (https://www.youtube.com/watch?v=4nS_VUye7x4)