+ // must pass a_bevel for t_bevel for these to be valid
+ $gppP = gppA + [0,-1] * lidinner_thick_allow;
+ $gppQ = $gppP + [1,-1] * web_height;
+ $gppR = $xppJ + [ 1, tan(22.5) ] * web_height;
+ $gppS = $xppI + [ tan(22.5), 1 ] * web_height;
+ $gppT = [ $gppQ[0], $xppE[1] ];
+