Reduce VFA, make it smoother, quieter, and more sturdy- get rid of the risk of curving the step shaft due to running at high acceleration for a long time.
ATTENTION: This MOD is made for original A/B drive, not tested for compatibility with other mods, eg Umbilical Mod...
BOM :
2 X D20L30 double diaphragm coupler | https://aliexpi.com/lwOQ
2 Round D Shaft 55x5mm (longer still OK) | https://aliexpi.com/miUU
4 X M3 75mm hex screw | https://aliexpi.com/bF7d
2 x M3 30mm hex screw (use original screws)
4 x M3 6mm hex screw.
4 X 695 2RS bearing | https://aliexpi.com/YE7s
2 X NEMA 17 Stepper Vibration Damper | https://aliexpi.com/2EX7
2 X M3 brass insert nut (OD4.5, 3, 4 or 5mm length is ok) | https://aliexpi.com/Onkg
More details on installation you can follow at this link :
https://github.com/WINTFOX00/TRIDENT-STEPPER-DECOUPLER.git
The author marked this model as their own original creation.