hgutierrez

To print different colors on top of something already printed I generate anther G-code where I used support blockers with the height that is already printed and change the per model settings to Zero for: Wall Line Count, Top Layers, Bottom Layers and Infill. That ensures the bottom section will not be printed and the new color will be printed on top of the previously printed part. To prevent the extruder to crash with the already printed part, instead of building a waste tower I add a line of code to raise the extruder to a height that will clear the previously printed object. Example: The first print is on layer 147 height 29.6mm G0 F6000 Z31 (add this line to raise the extruder to 31mm before start of the print) ;LAYER_COUNT:370 ;LAYER:147 G0 F6000 X153.1 Y138.3 Z29.6 For more complex prints I also add a line to move the extruder to the exact X, Y position