Delta Printer

This is my Delta project.
Single E3D type/J-Head or homemade/ hotend - 0.3, 0.4, 0.5 etc mm nozzle, bowden type extruder.
400W PC ATX PSU(Fortron 400PNR in my case).
Electronics - Mega2560 + RAMPs 1,4 + Full_Graphic_Smart_LCD_Controller + 4 NEMA 17 motors. Malrin Fimware.
Working area with 210x200x4mm glass - cylinder r=83 mm/h~250 mm;
Manual control for 40 mm fan for hotend/always ON by default/ and manual control for 30 mm fan duct with potentiometer. Can be used http://www.thingiverse.