When printing PETG — which is notorious for stringing — the hot end would ... We like PETG, and so far we don’t need a nozzle wipe. But it was a lot of work to get retraction and Z hopping ...

He found that stringing artifacts, interlayer holes, and softening of overhanging edges and details all worsened with increasing nozzle size. Armed with this information, [Stefan] began a torture ...