mattkreeft

Hello fellow printers, Over the last 3 weeks I've been struggling trying to get the "perfect" first layer on my Ultimaker 3. The bed is absolutely level, but it's warped. The outer sides are bending downwards slightly.I've fixed that with some tape on the ends of the heated build plate, and stick the glassplate on top. Whatever I try, levelling on the go with all kinds of spiral and 20x20 calibration squares. They all come out pretty succesfully, until I start printing a bigger surface. I keep getting the same results with or without the built-in active bed-levelling. Print settings first layer: 210°C Initial Printing Temperature 60°C Build plate 25mm/s Initial layer speed See images below for the results I keep getting. Any advice? https://i.imgur.com/wUOcR8e.jpg https://i.imgur.com/xHwyOh1.jpg