boltholedia = 6.5 + 0.5;
boltholeslotshorter = 6;
-mainframeholedia = 5 + 0.5;
+mainframeholedia = 5 + 1.0;
// "slot" refers to the things in the base of the drill press stand
backslotedgespace = 59;
slotplugshorterlen =10;
slotpluglongerlen = 20;
-slotslope = 11.0 / 18.5;
+//slotslope = 11.0 / 18.5;
+slotslope = 1 / tan(51);
// "keepslot" refers to the screws in the wooden jig block
keepslotstartz = 20;