MK3.9 contains everything from the MK4 except for the X/Y/Z motors (Nextruder motor is included). You will reuse the frame, PSU and motors from your MK3S+. And if you want, you can additionally buy the new precise MK4 motors (eliminate Vertical Fine Artifacts, 0.9° per step) and complete the upgrade to MK4 later.
Original Prusa i3 MK3/S/+ to MK3.9 upgrade kit
3,301.65 SAR
Only 1 left in stock
This product includes:
32-bit xBuddy board (same as MK4)
Metal xBuddy case (and cover)
xLCD screen (same as MK4)
Nextruder parts (including E motor)
Cables for Nextruder, Heatbed, xLCD
Expansion joints for Heatbed
New belts for X & Y axes
Fasteners and other accessories
New rods and bearings for Z axis
Filament for printable parts
Parts kept from your MK3S/MK3S+
Frame and extrusions (new MK4 has just a different look)
PSU* (same wattage/voltage as MK4)
Heatbed MK52 24V (thermistor and power cables will be changed)
X/Y/Z motors
X/Y rods and bearings
