I recently bought the heated aluminium bed and LCD from the store in order to run the MP3DP standalone and in the garage. I started trying blue painters tape on the aluminium surface but I found the tape didn’t seem to work as well as previous experience on plain glass. I purchased some Buildtak sheets and see if I could get better results. For my first test I used this:
and found it stuck slightly too well at 55 degrees C and 190 degrees on the hotend. This test was done in the house at an ambient temp around 20 degrees C or 70F. I moved the printer to the garage and tried to print the MPCNC roller mount. I tweaked the bed temperature to 50 degrees C and left the hotend at 190C. The garage ambient was about 6C or 40F (bit nippy!). the first layer looked OK but the part warped badly about 30 layers in so I stopped it. I decided to try another part so I printed the XYZ arm at 55C and 195C, again the ambient was around 6C. This stuck almost too well to the point where I nearly damaged the print surface when trying to pull it off. The part has zero signs of warping though and is perfect.
My thoughts so far are that Builtak works well but has a small window for successful prints. I’m going to dial it in some more but by trying to print in a cold space I have introduced another variable that is tricky for standalone printing. Does anybody have any tips for printing without having to tweak the settings for every print?