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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I am inclined to agree with you, but I'm also super curious. It looks like you could get 25 KG of say PETG pellets for $1.80/kg and I suspect true bulk pricing would be even less. Add in additives, colors, the spool itself, etc and I would be surprised if a 1 kg spool has much over $5 in material in it. I have no idea how much other overhead like packaging, handling, shipping, adds to the cost. I have a friend that works in injection molding and niavelely it seems like it wouldn't be too hard to enter the filament game.
Now add in the price of the machine and you will need a way to dry the pellets if you don't use it immediately. I really want this to be a thing but I just don't see it being economical.. It might be fun however to make custom filaments.