I haven’t found the exact match smaller power supply for the relay. I’m curious if this one here will work. Seems like the same specs but smaller form factor and less pins.

uxcell AC 100-120V/200-240V to DC 5V 2A 10W Switching Power Supply Drive for LED Strip https://www.amazon.com/dp/B0785RBMTH/ref=cm_sw_r_cp_api_Vp0MBb3K23BZC

Any better suggestions?

Aside from the power supply I’m just waiting on the aluminum parts to come into stock and the other kit to ship. I think I have managed to source all the other parts. Looking at buying the Prusa Mk i3 in the mean time so I can print the plastic pieces.