Paving stone shaped drain hole

thingiverse

Replacing a 160 x 120 paving stone allows water to flow into the drain, where it then passes through a 76 mm pipe and into urban runoff. Two bases are needed; one hole measures 102.4 mm, equivalent to the inner diameter of standard 110 mm pipes. Another hole is 75 mm in diameter. Two tops must be designed: one with a thickness of 10 + 3 mm for use with PLA materials, and another with a 5 + mm thickness suitable for ABS prints. Using an Anycubic i3 printer to produce ABS objects can be problematic, as seen from the accompanying image featuring red ABS items.