(CC BY-NC-SA 4.0)<\/a><\/figcaption><\/figure>\n\n\n\nTo remove a PETG print stuck to a PEI sheet without damaging either the print or the sheet<\/strong>, the first step we recommend taking is to remove the sheet from the print bed and to gently flex it from as many points close to the edges of the print as possible, which should eventually release some parts (usually the corners) of the print and make it easier to separate the print from the sheet without having to apply too much force.<\/p>\n\n\n\nIf that doesn’t work, our following recommendation would be to scrape the print off the PEI sheet with the help of a plastic spatula<\/strong> (flexing the plate will be helpful here as well), such as one you can find in the kitchen, and not a metal one, as a wrong move with a metal spatula can end up with you damaging your PEI sheet while trying to get the PETG off, especially considering that you will most likely need to apply some force to get the spatula in.<\/p>\n\n\n\nIn the case where you still can’t get the print off the PEI sheet, the following method we recommend trying is to pop the PEI sheet into the freezer for 30 minutes to an hour<\/strong>, which will weaken the adhesion between your print and the build surface, and then to flex the sheet or use a plastic spatula again, which, in most cases, causes the PETG to come off the PEI sheet cleanly.<\/p>\n\n\n\nAs an alternative, you can apply some cooling spray on the PEI sheet, specifically concentrating around the edges of the print where it connects to the build surface<\/strong>, which will create a similar effect to the freezer method and help you separate the PETG from the PEI in a quick and convenient way, especially if you have no freezer space to fit the PEI sheet together with your print and require a swift solution that will get the job done.<\/p>\n\n\n\nFinally, if all else fails, one more thing you can try is to stick the PEI sheet back on the print bed & warm the print bed up to a temperature value lower than the one you’ve used for printing<\/strong> (10-15 degrees less should do), and while this method isn’t our first recommendation as it can cause your print to deform if you end up using a bed temperature that’s too high, heating the PEI sheet up will definitely weaken the strength of adhesion and make the print easier to remove, especially in cases where the sheet cooled all the way down to room temperature before you attempted to remove the print.<\/p>\n\n\n\nOn the other hand, for small bits of PETG, where pulling the plastic pieces off the PEI sheet in one piece without damaging them isn’t critical<\/strong>, our primary recommendation would be to take the PEI sheet off the print bed and thoroughly wash it a combination of hot water and regular dish soap<\/strong> (few drops should be enough) until you remove all the residue and rinse all the dish soap off the surface, which should get the job done in a quick and convenient manner.<\/p>\n\n\n\nOnce you have ensured that the sheet is clean, all that’s left to do is to dry it with the help of some paper towel (avoid touching the print surface with your hands to avoid getting it dirty again, or wear single-use gloves to make things easier), and your PEI sheet will be ready to print once again.<\/p>\n\n\n\n