Commercial License:You can print and sell these models.Two models available:

1. Jar coupler,
2. Grinder coupler

3D printing settings:Printer: FDM / RESIN,Filaments: PC > ASA > ABS > PETG,Note: Don't use PLA or low strength resin,Jar Coupler post processing: Use metal insert with soldering rod (or) directly heat the bolt with a heat gun before inserting into the jar and then directly insert the coupler.Caution: Use hand protection during post processing.Retraction: 5mm speed 60,Nozzle Temperature: minimum 260 to 285 CBed Temperature: 110 TO 140 C,Infill: Minimum 8%,Print in place,Support: No supports needed, if necessary, print in vertical direction with supportsLayer height: 0.2Build plate adhesion: brim at least 5mm,Thank you,Have a nice day.Regards,Sigma Designers.