This fan shroud was designed to be:
- Easy to print at .3mm.
- Reliably and quickly rendered (no odd geometries)
- Very open for air flow.
- Aimed at the hot-end and the print.
- Not damaged by heat or bad prints.
General Repetier settings:
Layer Height: .3mm
General print speed: 70mm/s
Retraction per move: 2mm
PLA Temperature: 190deg
Extrusion Multiplier: 1.15
Print out the shroud
Remove the 4 nuts from the bolts that hold the fan to the print arm
Place the shroud over the fan.
Oriented the hols so it points at the tip of the hot-end (down & front.)
Screw the bolts into the holes in the shroud, you should not need nuts.