50mm Rubber feet for Ender 3

This is a remix of https://www.thingiverse.com/thing:4704278 made 50mm tall so that the 80mm fan under the mainboard has some clearance. These should fit any printer that uses 40x40 extrusion. It's been printed with eSun eTPU 95a and 33% infill. The front feet have been made deeper so that they offer more stability to the printer when the bed is moving quickly. The smaller back feet fit behind the Powersupply of the Ender 3 v2.