First Layer
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How to Set Z Offset on Ender 3 V3 Models
Ender 3 V3 models use strain-gauge auto Z offset, with screen-specific controls for live first-layer tuning and checks for gaps or ridges.
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Creality Nozzle Clog and Heat Creep Fixes
How to tell a clog from heat creep or a slipping extruder on a Creality printer, and the order to work through the fixes without damaging parts.
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Creality Bed Leveling, First Layers, and Extrusion Tuning
Why the first layer decides print success, how mesh leveling and Z offset differ, and the order to tune tram, offset, and extrusion on a Creality.