Prusa MINIMAX coreXY

Simple expansion of the Prusa MINI coreXY up to 330x330 mm bed size. Physical size of the bed can be slightly bigger. Printer can be even bigger but then you need to prolong the cables coming from the hotend to the main board.

Sizes

Provided sizes and models are based on bed from Geeetech A30 (A30M, A30T, A30 Pro).

Parts to buy

1. Parts for Prusa MINI coreXY optimal variant (complete bottom frame)

2. 2x Prusa MINI Z motor with lead screw

   • https://www.aliexpress.com/item/4001346400285.html

3. 2x Dual Z Axis Motor Cable for Prusa MINI

   • https://www.aliexpress.com/item/1005004543040798.html

4. Heated bed 24 V (+ print plate)

5. Power supply 24 V for the heated bed

6. Mosfet 24 V for controlling heating from main board

   • https://www.aliexpress.com/item/32968842862.html

7. 2x GT2-6 mm belt 2 meters (1.8 could be enough)

8. PTFE tube for filament

FW

Use modified FW: https://github.com/Snake-Edition/P32-FW/releases

Set:

• X, Y size to bed size + 1 mm (won't hit the side during printing)

• X, Y current to 500 mA

• Z current to 200 mA (3 motors are quite strong)

Print profiles

Download and use the printer profile from the files. Filament profiles can be found at MINI coreXY model.