selction knob

Selector knob screaming sun remixed from the persa knob took the cut out from an ender knob and did a litle tweaking to make it fit enjoy. it is snug to push on dont wory thats a good thing.

updated 4 22 21 should fit i put this together before calibration it is tight but it does go on snug so you can push the button make sure its cleanly printed because it may be to tight if its boogered up inside