Clip for 20mm plastic pipes ( electrical wires, AC drains etc...)

a simple clip for 20mm plastic pipes used on external electrical conduits, AC drain etc
the hole used for fixing accommodates up to 7mm screw
Printing tips with 0.4mm nozzle:
1_ 0 top 0 bottoms, 
2_ 0% infill , 
3_ 5 loops, 
4_ 0.6 mm line width, 
5_ 0.3mm layer height

I printed mine with ASA