This purchase includes one online support session of up to 60 minutes (chat or video). 1-on-1 online troubleshooting session for 3D printer setup, slicing, calibration, print quality, or common printing issues. Covers slicer settings, first layer, extrusion, bed leveling, and common print failures. We do our best to help, but we can’t guarantee every issue will be solved. Not included: STL files. Book within 7 days of purchase.