Garmin eTrex 20/30/30x replacement buttons TPU - for gloves

Continue the work off https://www.thingiverse.com/thing:6648246 and https://www.thingiverse.com/thing:6734685 , The modification is the horizontal membrane is thinner and the pushing tab is smaller to allow more easy flex. Extended push buttons on the outside to make it easier to feel the buttons with gloves. One button fits for all five, the two left side, + / - , cut small piece of corner for more easy fit.