Gear Bearing

thingiverse | Free

The trouble with 3D printing a ball bearing is that spheres don’t adhere to ...

Spirograph

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This is a fun toy for drawing geometric figuresThe working principle you can see ...

Proteus Key Holder

thingiverse | Free

Proteus Key HolderSwiss Army Knife Style Key Holderupdated Sepember 16th 2018 – ...

Flying Sea Turtle

thingiverse | Free

When the film spreads through the webs, it shows that a plastic straw pulled out ...