Its possible if our locals have the adequate expertise. But we are too theory like we cant do a real thing. Architecture body have not really emphasize on it..

Its like they dont rectify the design need of sustainability; prefer hype it like the world now.

this day, use 3d printer to design that simple stuff.

with understanding of 3d Printing, moulding and duplicate design getting more easier.

do google how 3d printer could help yr small design like this roof gutter filter.