Prusa MK3S Marlin Firmware
BTT002 V1 / Multi-TMC / BMG

Specs

This firmware is configured for a heavily modified Prusa MK3S Bear 2.1 with the following upgrades:

Frame

• Red Bear 2.1 & parts printed in Priline Carbon Fiber Polycarbonate filament

Motherboard

• BigTreeTech BTT002 V1 housed in Juan Puchol's Universal BTT002 Box

Drivers

• BigTreeTech TMC2209s or TMC5160s on X/Y/Z/E

Hotend

• Bondtech Upgrade Kit for Prusa i3 MK3S/+ Mosquito Fit
• LDO 0.9° Slim Power pancake motor
• Slice Engineering Mosquito Magnum Hotend
• Slice Engineering 50W Heater Cartridge
• Slice Engineering 0.4mm Vanadium nozzle
• SuperPINDA (Pepperl+Fuchs NBN2,5-8GM35-E1L-Y)

Build Plates

• ULTISTIK Premium Powder Coated Ultem (PEI) Build Plate
• Phenolic LE (generic Garolite) Original Prusa MK52 Print Surface
• Thekkiinngg textured PEI spring steel sheet
• Prusa Spring Steel Sheet With Smooth Double-sided PEI
• Prusa Textured PEI Powder-coated Spring Steel Sheet
• Prusa Powder-coated PEI Satin Spring Steel Sheet

LCD

• LDO Prusa Black Screen with White Text

Other

• Raspberry Pi 3 Model B+ running OctoPrint

Credits

First layer calibration based on Prusa's MK3/S/+ "meander" first layer calibration