3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: !functionalprint@kbin.social or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
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If you need an easy way to host pictures, https://catbox.moe may be an option. Be ethical about what you post and donate if you are able or use this a lot. It is just an individual hosting content, not a company. The image embedding syntax for Lemmy is 
Moderation policy: Light, mostly invisible
For PLA and PETG, I like MatterHacker, though I have been buying some Voxel PLA lately and that's been pretty good stuff too. Voxel does run sales that get the price down to $15/$16US a kilo.
For ABS/ASA, I'm still using a the same kilo of Zyltech ABS I bought 5 or 6 years ago. And I still haven't used 200g yet. I did dig it out this weekend to print a couple dozen custom cable clips for my boat with it though.
Microcenter's Inland pla+ has been good to me. Microcenter used to ship it free, and they may still, but it's been a bit since I ordered. It's $15-20/kg. Some day I'll use great filament and might call this stuff garbage, but I'm not there yet. The standard pla is less impressive, causes me more grief than I like.
Inland is (or was, at least) relabeled eSun filament, and they're considered a decent brand for basic filaments. I've only ever used their PLA(+) but it's always been bulletproof.