Identify by sight

Visual Failure Library

When you do not know the technical name, start with what the failed print looks like. Pick the closest symptom and follow the matching repair route.

Best next step

Use this page when terms like under-extrusion, Z banding or support interface do not mean anything yet.

lines not touching, corners lifting, nozzle dragging, filament not sticking

hairy print, thin webs, oozing after travel, zits

thin walls, gaps, clicking extruder, missing layers

shifted layers, ghosting, wavy walls, Z banding

rough underside, support scars, sagging bridge, curling overhang

model detached, plastic nest, failed overnight, nozzle printing in air

stuck to film, supports failed, cupping, soft detail