3D printers are great for making all sorts of things, from replacement parts to full-scale toys and even medical equipment. Many people who have 3D printers also have children, who are known to be a bit...messy. I can't count the number of times my son has thought it would be fun to make art with our 3D printer by deliberately leaving his toys on it.
So, I read an https://improvecraft.com/how-to-clean-3d-printer-bed/which is about that how can you clean bed printer and its quite good
How to Clean 3D Printer Bed
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