Casper, the mid-size delta printer

This is Casper. It's my very own mid-size delta 3D printer. Dimensions are 280x265x520mm, printable diameter is 160mm and printable height is about 200mm. Casper is driven with Nema14 steppers (including extruder, geared of course), has E3D v6 clone hotend with 0,3mm nozzle, cooling with 30x30 and 5015 fans. There is no heated bed, only ordinary glass as print surface, so printing is possible from PLA only. Using ANET mainboard with small hardware modification for calibration probe (mechanical c