3 ms·A colleague 3D printed a stop light that showed red when Xcode was compiling and green when it was done.by azinman2 5y agoA colleague 3D printed a stop light that showed red when Xcode was compiling and green when it was done.jazzychad 5y agoWas it me??azinman2 5y agoYes :) I almost forwarded the comment to you lolz!