https://www.instructables.com/Rainwater-diverter-using-off-the-shelf-parts/
Rainwater Diverter Using Off-the-shelf Parts : 3 Steps - Instructables
Rainwater Diverter Using Off-the-shelf Parts: Rainwater diverters can be bought ready-made and I have one myself. However, $NZ80 is a lot more than one needs...
off the shelfrainwater diverterparts 3usingsteps