Irrigation catch cup (catch can) to measure sprinkler application uniformity in yard, lawn, or landscape. Throat area of 100 sq cm (diameter = 113 mm) meets industry standards. 10 ml or 10 g of water collected for each 1 mm of application. Example: 80 ml or 80 grams collected would equal 8 mm. 8mm / 25.4 mm per inch = 0.31 inches.

https://www.dpi.nsw.gov.au/__data/assets/pdf_file/0010/176662/irrigation-evaluation-7.pdf

Printing:

Used PETG filament on a Prusa printer.