Old blower style r3 extruder for Origenal Prusa MK3

Update : assembled it myself and can confirm everything fits together ;)

This is a combination of 2 different versions of the origenal r3 upgrade files made by Prusa.
v3? # Main cover version STEP file downloaded at 3-8-2018 :
https://github.com/prusa3d/Original-Prusa-i3/blob/MK3/Printed-Parts/STEP/extruder-cover.stp
v2? + Blower arm from beta release of R3 downloaded stl :
https://www.prusa3d.com/downloads/others/MK3_MK25_extruder_dyson_angled_fan_PRINT_IN_BLACK_v2.zip#_ga=2.101736193.