num_arms = selsz(3,3,4);
-channelslop=selsz(slop,slop,slop);
+channelslop=selsz(slop,0.75,slop);
exteffrad = 70;
hubeffrad = selsz(30, 82, 40);
overclipthick=1.0;
overclipcupnextgap=selsz(20,15,20);
-hubaxlelen = selsz(25, 62.5, 87.5);
+hubaxlelen = selsz(25, 62.5, 77.5);
echo(hubaxlelen);
overclipsmaller=-2.5;