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: [email protected] or [email protected]
There are CAD communities available at: [email protected] or [email protected]
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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As others have said, there are tons of fillers (Bondo, Rage Gold, glazing putties, etc) that you can use for this. If your part is flexible make sure you use something that can flex, otherwise it will crack.
That said, consider the cost of doing this in terms of both time and material $$ first and then weigh that against simply printing the part again. If you've never worked with fillers before you'll have to do the apply, wait for it to dry, sand, apply more loop a few times. It's not necessary a bad skill set to learn, but it will take some time/effort and the materials aren't free.