I'm still learning, between temperatures, speed, and other settings in Slic3r to generate the GCode. But I'm progressing and made a good production today : Ballast spacers, Mobius supports, servo frames. 3M BlueTape is providing good results and can be reused several time if you don't damage it when removing printed parts. At the moment, the ideal temperature for my Orange PLA is now 215°C. Speed is at 50 mm/s.