Gutter clips for old W Australian profile, printed from ABS due to high heat range in WA in summer, but other materials can be used eg PETG or even PLA.
Printed at 0.2 layer height with no infill just increased wall perimeters for strength printed on its side with no supports, if ABS ensure fan and ironing are disabled, also increase your z-hop to stop printed models being dragged if they lift slightly.
The author marked this model as their own original creation.