Quantity   Component name
3 × ABS filament The original Thor project tells me that 4Kg of filament si required.
1 × Ultratronics Pro v1.0 This board looks very similar to the popular Megatronics board, but it much more power due to the 32-bit Atmega SAM3X8E clocked at 84Mhz. (Expect €140)
1 × SunPower SPS 100P-D2 100W Dual Output Enclosed Power Supply 5Vdc 10A Power supply to provice 5V 10A and 24V 4A. (Except €100)
3 × Gear Ratio 5:1 Planetary Gearbox With Nema 17 Stepper Motor 17HS13-0404S-PG5 (DE208) 3 Geared motors to rotate the arm (expect €31 each)
1 × Nema 17 Stepper Motor 2A 45Ncm(64oz.in) 17HS16-2004S1 Rotates the base (expects €10)
3 × 17 Stepper Motor 34mm 12V 0.4A 26Ncm(37oz.in) 17HS13-0404S Hand control (expect €9 each)
7 × Pololu DRV8825 Driver Carrier Drivers the steppermotors, Overkill because only 1 motor needs this DRV8825 , the other 6 can have a cheaper version.