+module FrontPattern(){
+ totalh = front_height - eclip_wall_offset + thicks[1];
+
+ ystride = front_hex_stride;
+ xstride = front_hex_stride * cos(30) * 2;
+ difference(){
+ square([front_width, totalh]);
+ for (xi=[ 0 : 10 ])
+ translate([xi * xstride, 0])
+ for (yi=[ 0 : 10 ])
+ translate([0, yi * ystride])
+ for (dv=[ [0,0],
+ [xstride/2, ystride/2]
+ ])
+ translate(dv)
+ circle(r= front_hex_dia/2, $fn=6);
+ }
+}
+