Customized, Easy Print, Car Seat Bag Hook

This is a hook to hang bags at back of front seat in your car.
One piece, no support needed, easy to print.

You can customize all parameters as you need.

! NOTE !
In Customizer (Online) output a wrong shape , bends changed to rings :( .
And I don't why yet. And anyone who knows how to fix it, comment pls !
So suggest you download OpenScad file, and run at your PC.
http://www.openscad.org/downloads.html. Development Version is better (v2017-1-20), whick has a Customizer UI. To sho