I've made a working version...
Fidgetcube from www.thingiverse.com, file "day147_fidgetcube_red.stl".
Printed at 225 degrees
0.2 mm first Layer, rest 0.15mm
wall/bottom/top 0.8 mm
speed 30 mm/s, 1h45m print
fan 25% in Cura, lowered to about 16% with UC during print.
first part is print in timelapse, the actual working cube starts @3:20 mins.
Regards, Kees