200 X 200 mm Orbital shaker

I modified DIYbio Orbital Shaker V 1.0 from ProgressTH.
https://www.thingiverse.com/thing:2633507

Changed its size and some parts.
Use these metal parts below by :
608zz ball bearing
m4 bolts & nuts
nema 17 motor(48 mm length) and driver
M3 BOLT NUT FOR NEMA 17 MOTOR
2k potentiometer
100 mm Fan

use support settings
infill 25~30%
OVER 70 for coupling