I did some testing for some parts for my dad, he keeps bees and lost a shaft support for one of his tools when he was reassembling it, he whipped up a replacement and fired me the stl when I was talking about my printers.

Printing with the shaft in the z needed a lot of supports,

laying it on its “back” was by far the easiest, outside of the support looked a little gross, could have benefitted from supports. Did them all in petg, gave them all to him just so he can get a feel for what 3D printed parts look like as he’s interested in getting one himself (trying to sell him on a v0 if he’s not sure, but kinda thinking about doing a trident)

It’s a right of passage, I switched all my hotends to fixed blocks, accidentally loosened the block once on the older style hotend after torquing correctly and enveloped the thing in petg, it kinda vitrified too or something in the heat, was like glass so no getting that off.

Generally, blobs off of your hotend, estop it and take a look, that’s a huge tell for a leak.

Worth keeping a few spares around, at least for stuff like nozzles, blocks, heaters and probes.