One online 3D printer support session of up to 60 minutes per billing cycle. Help with setup, slicer settings, calibration, first layer, extrusion, bed leveling, print quality, and common print failures. This is a live troubleshooting session, not a guarantee that every issue can be fixed. This subscription renews automatically every 2 days and includes one online support session of up to 60 minutes per billing cycle. STL files are sold separately and are not included.