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PAROL6 vs Thor

Cost, parts and difficulty side by side.

PAROL6Thor
Cost$750 to $1,150$300 to $450
Difficultyadvancedadvanced
Parts6261
3D printingyesyes
Kits available40
Made bySource Robotics (Petar Crnjak)Ángel LM (AngelLM)
Full listPAROL6 parts listThor parts list

PAROL6

3D printed six axis desktop arm with industrial style belts, planetary gearboxes and open Python control software.

Thor

Open source 3D printed six axis arm driven by NEMA 17 steppers and GT2 belts, controlled with G-code like a 3D printer.

The short answer

Thor costs less to start: about $300 against $750 in parts. Thor has the shorter parts list (61 lines against 62). Both are rated advanced.

Motors and servos

PAROL6

  • 1 x StepperOnline 17HS08-1004S NEMA 17 stepper
  • 3 x StepperOnline 17HS16-2004S1 NEMA 17 stepper
  • 2 x StepperOnline 17HS24-2104S NEMA 17 stepper

Thor

  • 1 x StepperOnline 17HS15-0404S NEMA 17 stepper
  • 3 x StepperOnline 17HS13-0404S-PG5 NEMA 17 stepper with 5:1 planetary gearbox
  • 3 x StepperOnline 17HS13-0404S1 NEMA 17 stepper
  • 1 x MG995 hobby servo