Intex Pool Vacuum Adapter

I wanted to use the vacuum here: http://www.thingiverse.com/thing:941551 But I didn't want to glue the quick connect piece to the Intex cover that usually connects to the outlet that goes to towards the filter pump. Instead, I decided to make this piece, which replaces the Intex piece.

After I designed it, I found: http://www.thingiverse.com/thing:179352 which is essentially the same thing I have uploaded here. I almost just downloaded it instead of printing mine. Then I saw that it was untested and didn't include the source .scad file. I tweaked my design and started it printing.... and at the same time (give or take the 8 hours I was away from Thingiverse), the author uploaded the .scad file! JJanssen's thing is still untested so I'm publishing my version. I've tested it my version and it works well.

You will need an o-ring over the quick connector. I used one measuring 11mm (7/16") ID, 16mm (5/8") OD, 2.5mm (3/32") thick. You can get 100 for around $2.50 on Amazon (se