Hellow guys, Welcome to my website, and you are watching Fully 3d printed NEMA17 precision cycloidal/harmonic gearbox. Rotation linearity test.. and this vIdeo is uploaded by Uriel Alberto Díaz Reynoso at 2023-01-04T21:00:25-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.