NINTENDO SWITCH JOY-CON MICRO HOLDER - NEED HELP

This is a work in progress. I say that because no matter what I do, I cannot get it to print on my UP BOX + or Mini 2. I've checked it in every application I can think of including NetFabb online. Nothing reports anymore issues and yet it will not print anything but a squiggly line. Designed in Rhino 5.