Button for Prusa MK3 (+ new model 2019)

First thing: PLEASE REPORT ME IF IS SOMETHING BAD (for reconstruction, correction or something else)

Original button is strange, working good, but strange for me. I need more larger button and ergonomic. And sorry for my english, is bad i know :). If you like my button, i'll be happy...

Am Novice in 3d printing, do not judge me :)...

NEW VERSION 2019:

Little better ergonomic, better fit to the potentiometer (simple assembly). Is designed direct to the 0.10mm print quality for better