Leonardo3d 3d printer

Hi, I present you first version of 3d printer Leonardo3d. This is cartesian 3d printer with build space about 300x200x500mm (X, Y, Z). The matherboard is duet 0.8.5 with ethernet.

Youtube video: https://www.youtube.com/watch?v=yb82KShk8xY

Parts to buy (ebay, amazon):
Aluminium extrusion T-Slot 20x20mm: 4x100cm + 6x50cm + 6x40cm + 2x37,5cm + 2x30cm
Linear rails all 12mm: 4x70cm + 2xcm + 2x40cm
Zaxis: 2x trapeziodal threaded rod 8x600mm, 2x flexible shaft coupler (5x8mm)
Bearings: 12x linear bearing LM12UU, 2x 608ZZ
Motors: 6x nema17 2A, 5mm shaft (2x Zaxis, 2x Yaxis, 1x Xaxis, 1x Extruder)
Belt, idler, pulley: GT2 timing belt 6mm width, 5m length (you can cut to size)
3x GT2 belt 16 tooth idler and 3x GT2 belt 16 tooth pulley
Heated bed: 400x300x4mm aluminium plate with silicone heater pad 300x200mm 24V
Extruder: chinese MK8 with stronger motor (Nema17 2A) and 26 teeth drive gear
Printing head: E3D vulcano 1.75mm 0.6 nozzle (yes it is chines