This test is from CNC Kitche
"Print your own transparent PETG or PCTG parts and dial in your parameter using this small model. Print time ~1h.
My baseline settings
0.4 mm nozzle
230 °C nozzle
80 °C bed
0.12 mm layers
1 perimeter
0 top/bottom layers
100% aligned rectilinear infill
102% flow
0% cooling
15 mm/s print speed"