I am having trouble with my infill on my DIY Corexy printer and marlin software. All of the motor steps are calibrated. I am using 1.75mm PLA with a E3d v6 0.4 nozzle.

The picture is at

0.2mm layer height
15% fill density
line pattern
infill 40mm/s
solid infill 40mm/s

DSC_0063.jpg