Bộ lọc/Rây/Lưới chặn rác bồn rửa

The overhead angles are exactly 45 degrees so you don't need any supports to print.

Height: ~29mm
Width: ~30mm
Lip diameter: ~58mm

Added drain slits so that water can flow in from the sides (prevents a puddle forming from trapped water)

Prints at around 0.15mm layer height for good quality