X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=sewing-table.scad.m4;h=8ca8ff17bc26b4a2f7342092f0841d15798f7d4b;hp=ec3f8ed4cf2f045af570c983712878e015c13d18;hb=ee16e07412f22f0fd68ad19ce46c429466454888;hpb=6c5fec9eb4c7c621e0a300de07945f3701c9c779

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index ec3f8ed..8ca8ff1 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -209,10 +209,13 @@ module TileBase(botleft, topright){
 	}
 	if (JIG) {
 	  translate([0,0,-20]) linear_extrude(height=20) {
-	    translate(botleft)
-	      rotate(atan2(size[1],size[0]))
-	      translate([0, -test_edge/2])
-	      square([vectorlen2d(size), test_edge]);
+	    for (diag=[[ +1, botleft                   ],
+		       [ -1, [topright[0], botleft[1]] ]]) {
+	      translate(diag[1])
+		rotate(atan2(size[1], diag[0] * size[0]))
+		translate([0, -test_edge/2])
+		square([vectorlen2d(size), test_edge]);
+	    }
 	  }
 	}
       }