3DPrinting
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
Rules
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No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia. Code of Conduct.
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Be respectful, especially when disagreeing. Everyone should feel welcome here.
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No porn (NSFW prints are acceptable but must be marked NSFW)
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No Ads / Spamming / Guerrilla Marketing
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Do not create links to reddit
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If you see an issue please flag it
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No guns
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No injury gore posts
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
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Second this. If it's PLA, improving layer cooling might help stiffen the last layer before the next is applied. If it's not PLA, slowing the print down can reduce the horizontal forces for slower-cooling filaments like PETG/ABS. If there's any warping or over extrusion leaving little blobs on the surface, your nozzle can bump into them, breaking cantilevered features like this one, or breaking the part off the build plate. Getting retraction to blob less or making sure no over-extrusion exists could help. If it's PETG or Nylon, printing slightly wet (where the surface doesn't look bad) can cause blobs on the top layer that the nozzle hits and causes those horizonal forces.
Drooping like this means something is too soft (speed up cooling on PLA, reduce print speed to give more cooling time and better layer adhesion for any material)
Prints like this aren't impossible. I've printed a PETG storm drain that had vertical slots like this when I couldn't buy one I needed. It turned out great but I had to print really slow.