I'm designing and 3d printing a robotic arm to hold a camera and make graceful camera movements.
In this video I 3d print the shoulder and elbow joints and make initial trials with a camera!

These are the supplies i used:
NEMA 17 stepper: [ Ссылка ]
Arduino Mega: [ Ссылка ]
5mm steel rod: [ Ссылка ]
Thin wall bearings: [ Ссылка ]
and: [ Ссылка ]
1.75mm PLA+ filament: [ Ссылка ]
The PTFE grease came from eBay - search for "50g silicone PTFE grease"

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