I would like to see a "Preheat" button, could be in the G-Code files section, next to each of the files to print. So if you print with all sorts of filament (and thus different temps), making it easier to preheat to the right temp.

Cheers
-Kim

Its a great project. I've done the same to my Duplicator 4X. I have been trying different speeds for the Z-axis, but ended up with something like 3 mm/s when homing.
What speeds have you achieved on it?
I'm currently printing at 60 mm/s, but contemplating to convert to E3D V6 with bowden setup, maybe dual extrusion… In time.

I'm currently using 256 microstepping withou interpolation on my X, Y and Z axis. And its almost completely silent. Extruder is only at 128 microstepping.

But I'm also looking for a bit of input regarding the selection of steps/microstepping, with or without interpolation.

Good job on your build/customization