Toilet flush button

This is a toilet flush button (pull type) for an old style toilet. Not really sure what make, possibly "Ifö". There are two variants, one which is pretty plain and one with a bust which might resemble you-know-who.

The design is for an 8.8mm stem with 0.75mm threads, but you may of course change the threads and diameter and other parameters in the OpenScad file.

For very fine pitch threads I suggest you use a layer height of 0.1 mm or less for accuracy.

The head originally comes from here: http://www.thingiverse.com/thing:1023339
Also inspired by http://www.thingiverse.com/thing:1273176