From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 2 Jan 2017 15:34:40 +0000 (+0000)
Subject: sewing-table: Interlock: tongue/groove wip (nfc)
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=c29f6b29a090870aec993b5da29bcbb895af5850

sewing-table: Interlock: tongue/groove wip (nfc)
---

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 630d489..b09d59a 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -174,13 +174,22 @@ module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
   z3 = -tile_th/2 + protr / interlock_fine_slope;
 
   INREFFRAME(left_cnr, right_cnr) {
-    for (vsect = [ // zstart         zend     ystart,      yend
+    for (vsect = [ // zs0            zs1      ys0,            ys1
 		  [ -tile_th-plusth, plusth,  0,              0],
-		  //[ z1,              z2,      0, protr],
-		  //[ z2,              z3,      protr, 0],
+		  [ z1,              z2,      0, protr],
+		  [ z2,              z3,      protr, 0],
 		  ]) {
-      translate([0, 0, vsect[0]])
-	linear_extrude(height=vsect[1]-vsect[0], convexity=10)
+      zs0 = vsect[0];
+      zs1 = vsect[1];
+      zsd = zs1-zs0;
+      ys0 = vsect[2];
+      ys1 = vsect[2];
+      ysd = ys1-ys0;
+      multmatrix([ [ 1,0,0,0 ],
+		   [ 0,1,0,0 ],
+		   [ 0,0,1,zs0 ],
+		   [ 0,0,0,1 ] ])
+	linear_extrude(height=zsd, convexity=10)
 	InterlockEdgePlan(negative, nlobes, length);
     }
   }