This manual describes the use of a 3D printer and also the advanced settings of Simplify3D. It is precisely this comprehensive description of the setting options of the software "Simplify3D" that is characteristic of this manual. With it, good 3D prints can be done quickly and with the settings of the Advanced Settings presented here, wonderful 3D prints can be achieved with a little practice! The possibilities of improvement are gigantic! It deals with the classic problems of printing, as well as the importance of G-code in 3D printing. It describes how to deal with the classic initial difficulties in 3D printing, and leads to fantastic print results.