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 
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Cura is worth the learning curve along with a raspberry Pi running Octaprint if you have a raspberry pi or old computer lying around.
Then I would recommend downloading some files using Thangs so you can dial in your slicer settings. Then I wpuld start with the CAD.
Edit: Added Thangs.
I have a home lab running two docker hosts, does it need to be dedicated hardware, or would this work?
If the printer runs a Marlin variation as firmware (Ender probably does), you can run octoprint on a Raspberry pi or more powerful stuff. Running in docker should be doable, you just need to route the serial-usb connection into the container running ocotoprint. Klipper user with Mainsail on a RPI4 here, no experience with a dockerized octoprint.
The most slicers have some calibration prints to tune flow/temperature etc. Do them before starting that 9 hour print job..
Octoprint just runs in docker, you need to connect the printer to a USB port.