X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sewing-table.scad.m4;h=0990ad1980afff4cbb485c8ca964816e4fb0db3f;hb=9a2b3e23b7299b5f314b23becc5bddf6f7e5216a;hp=fb8313c4305c4205d7c65c709c859b98790f0128;hpb=92d3e3c1f05920938346b7e9b6e3361c7dbe11b1;p=reprap-play.git

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index fb8313c..0990ad1 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -28,6 +28,15 @@ interlock_fine_lenslop = 1.0;
 
 demo_slop = 0.1;
 
+// cutout
+
+cutout_l_end_y = 85;
+cutout_l_end_curve = 1;
+
+cutout_tile01_y = 170 - 147;
+cutout_tile11_x = 22 + cutout_l_end_curve;
+cutout_tile11_y = cutout_l_end_y - cutout_tile01_y;
+
 // calculated
 
 TEST = false;
@@ -65,6 +74,13 @@ module Post(){
 	cylinder(r= screw_dia/2, h= ply_th, $fn=20);
       }
     }
+    if (TEST) {
+      tsz = tile_hard_edge_hole_dist - test_edge + 1;
+      translate([0,0, tile_th/2]) {
+	cube([post_dia, tsz*2, tile_th], center=true);
+	cube([tsz*2, post_dia, tile_th], center=true);
+      }
+    }
   }
 }
 
@@ -83,11 +99,23 @@ module TileBase(botleft, topright){
     mirror([0,0,1])
       translate(concat(botleft, [0]))
       cube(concat(size, [tile_th]));
-    translate( concat(botleft_post, [ TEST ? 0 : -tile_th])
-	       + 0.5 * [ post_dia, post_dia, 0 ] )
-      Commitid_BestCount_M( topright_post-botleft_post
-			    + [-post_dia,-post_dia]
-			    + [0, thehd[1]]);
+    if (!TEST) {
+      translate( concat(botleft_post, [ -tile_th ])
+		 + 0.5 * [ post_dia, post_dia, 0 ] )
+	Commitid_BestCount_M( topright_post-botleft_post
+			      + [-post_dia,-post_dia]
+			      + [0, thehd[1]]);
+    }
+    if (TEST) {
+      translate( concat(botleft + [thehd[0], 0], [0]) )
+	Commitid_BestCount([ size[0] - thehd[0]*2, thehd[1] ]);
+      mirror([0,0,1]) {
+	translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
+	  cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
+	translate(concat(botleft_post, [-1]))
+	  cube(concat(topright_post-botleft_post, [tile_th+2]));
+      }
+    }
   }
 }
 
@@ -124,6 +152,8 @@ module RoundEdge(left_cnr, right_cnr) {
 }
 
 module RoundCornerCut(ci) {
+  // ci should be [this_cnr, right_cnr]
+  // where right_cnr is to the right (ie, anticlockwise)
   this_cnr = ci[0];
   right_cnr = ci[1];
   offr= round_cnr_rad - round_edge_rad;
@@ -239,6 +269,7 @@ module TestPiece1(){ ////toplevel
 	    [   0, 0]
 	    ];
   corners = TestPiece_holes2corners(holes);
+  rcs = [corners[0], corners[1]];
   difference(){
     union(){
       TileBase(corners[0], corners[2]);
@@ -247,9 +278,9 @@ module TestPiece1(){ ////toplevel
       RoundEdge(corners[3], corners[0]);
     }
     InterlockEdge(corners[1], corners[2], 1, nlobes=1);
-    RoundCornerCut(corners[0], corners[1]);
+    RoundCornerCut(rcs);
   }
-  RoundCornerAdd(corners[0], corners[1]);
+  RoundCornerAdd(rcs);
 }
 
 module TestPiece2(){ ////toplevel
@@ -270,8 +301,13 @@ module TestDemo(){ ////toplevel
   translate([ +thehd[0] + demo_slop, 0 ])
     TestPiece2();
 }
+
+module Machine(){
+}
   
 function Rectangle_corners(c0, sz) =
+  // returns the corners of a rectangle from c0 to c0+sz
+  // if sz is positive, the corners are anticlockwise starting with c0
   [ c0 + [ 0,     0     ],
     c0 + [ sz[0], 0     ],
     c0 + [ sz[0], sz[1] ],
@@ -283,21 +319,32 @@ function Rectangle_corners2posts(c) =
     c[2] + thehd_bl,
     c[3] + thehd_br ];
 
+module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
+
+function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
+
+m4_dnl   R_EDGE(c,ix)
+m4_dnl        c is from Rectangle_corners and
+m4_dnl        ix is a corner number
+m4_dnl    expands to two comma-separated corners:
+m4_dnl    that denoted by ix, and the next one anticlockwise
+m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
+
 module Tile02(){ ////toplevel
   sz = [100,170];
   c0 = -sz;
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);
-  rcs = [c[0], c[1]];
+  rcs = [R_EDGE(c,0)];
   difference(){
     union(){
-      TileBase(c[0], c[2]);
+      Rectangle_TileBase(c);
       Posts(posts);
-      RoundEdge(c[0], c[1]);
-      RoundEdge(c[3], c[0]);
-      InterlockEdge(c[2], c[3], 0);
+      RoundEdge(R_EDGE(c,0));
+      RoundEdge(R_EDGE(c,3));
+      InterlockEdge(R_EDGE(c,2), 0);
     }
-    InterlockEdge(c[1], c[2], 1);
+    InterlockEdge(R_EDGE(c,1), 1);
     RoundCornerCut(rcs);
   }
   RoundCornerAdd(rcs);
@@ -308,23 +355,49 @@ module Tile12(){ ////toplevel
   c0 = [-sz[0], 0];
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);
-  rcs = [c[2], c[3]];
+  rcs = [R_EDGE(c,3)];
   difference(){
     union(){
-      TileBase(c[0], c[2]);
-      RoundEdge(c[2], c[3]);
-      RoundEdge(c[3], c[0]);
+      Rectangle_TileBase(c);
       Posts(posts);
+      RoundEdge(R_EDGE(c,2));
+      RoundEdge(R_EDGE(c,3));
     }
-    InterlockEdge(c[0], c[1], 1);
+    InterlockEdge(R_EDGE(c,0), 1);
+    InterlockEdge(R_EDGE(c,1), 1);
     RoundCornerCut(rcs);
   }
   RoundCornerAdd(rcs);
 }
 
+module Tile11(){ ////toplevel
+  sz = [250,250];
+  c0 = [0,0];
+  c = Rectangle_corners(c0, sz);
+  cnr_posts = Rectangle_corners2posts(c);
+  posts = concat(
+		 Posts_interpolate_one(cnr_posts[0],
+				       cnr_posts[1] - [cutout_tile11_x, 0]),
+		 [ cnr_posts[1] + [0, cutout_tile11_y],
+		   cnr_posts[2],
+		   cnr_posts[3]
+		   ]);
+  difference(){
+    union(){
+      Rectangle_TileBase(c);
+      Posts(posts);
+      RoundEdge(R_EDGE(c,2));
+      InterlockEdge(R_EDGE(c,3));
+    }
+    Machine();
+    InterlockEdge(R_EDGE(c,0), 1);
+  }
+}    
+
 module Demo(){ ////toplevel
   translate(demo_slop*[-2,1]) color("blue") Tile12();
   translate(demo_slop*[-2,0]) color("red")  Tile02();
+  translate(demo_slop*[-2,1]) color("orange") Tile11();
 }
   
 //TestPiece1();