axleaxlefudgebend = 3;
axlepadlen = 1.0;
+armend_length = selsz(120,130);
+
prongthick=selsz(5,5);
prongwidth=selsz(5,5);
prongribwidth=3;
ratchettoothslope=0.75;
overlap=0.5;
cupwidth=selsz(40,50);
-cupheight=selsz(55,50);
+cupheight=selsz(55,55);
cupstrong_dx=selsz(0,-10);
totalheight = channeldepth + armendbasethick;
stalkwidth = prongwidth + prongstalkxwidth;
-module ArmEnd(length=120){ ////toplevel
+module ArmEnd(length=armend_length){ ////toplevel
if (usedove()) {
translate([ratchettoothsmoothr, channelwidth/2, -armendbasethick]) {
rotate([0,0,-90])