X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sewing-table.scad.m4;h=d3915992fa8763eb622fab48166a06a4db5b38a5;hb=ede4cdb4cb035387f745308a99a155ce50c8196f;hp=08d959ec40b049d1a3f88c59534b4a3225b3d72f;hpb=2556cea96ba503c5a5e571b5a6b1a2ef5b5e403b;p=reprap-play.git

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 08d959e..d391599 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -34,17 +34,35 @@ cutout_l_end_y_front_slop = 0.5;
 cutout_l_end_y_rear_slop = 0.5;
 cutout_l_end_x_slop = 0.25;
 
+cutout_l_end_x = 22;
 cutout_l_end_y = 85;
 cutout_l_end_curve = 1;
 cutout_l_end_y_total = cutout_l_end_y
   + cutout_l_end_y_front_slop + cutout_l_end_y_rear_slop;
 
+tile02_tr = [  0, 0];
 tile01_tr = [250, 0];
 
 cutout_tile01_y = 170 - 147 + cutout_l_end_y_front_slop;
-cutout_tile11_x = 22 + cutout_l_end_curve;
+cutout_tile11_x = cutout_l_end_x + cutout_l_end_curve;
 cutout_tile11_y = cutout_l_end_y_total - cutout_tile01_y;
 
+// rear curve
+
+rearedge_len = 170;
+
+rearcurve_rad = 25.4;
+rearcurve_strt_len = 65;
+rearcurve_total_len = 84;
+
+rearcurve_rad_slop = 0.75;
+
+rearcurve_avoid_y = rearcurve_rad + 10;
+
+reartablet_z = 2.54;
+reartablet_x = 5 + 1;
+reartablet_y = 5;
+
 // calculated
 
 TEST = false;
@@ -334,8 +352,59 @@ module Machine_Arm(){
   }
 }
 
-module Machine(){
+module Machine_Rear(){ ////toplevel
+  big_rad = rearcurve_total_len - rearcurve_strt_len + rearcurve_rad;
+  small_rad = rearcurve_rad + rearcurve_rad_slop;
+  translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
+	      cutout_tile11_y,
+	      0 ]){
+    //%cube([20,20,20]);
+    translate([ -reartablet_x,
+	        -1,
+	        -reartablet_z])
+      mirror([0,0,1])
+      cube([ reartablet_x+1,
+	     reartablet_y+1,
+	     20 ]);
+    translate([ rearcurve_strt_len,
+		0,
+		0 ]){
+      translate([ 0,
+		  0,
+		  -rearcurve_rad
+		  ]){
+	rotate([0,-90,0]){
+	  rotate([0,0, 360/8/2])
+	    cylinder(r = small_rad, h= rearcurve_strt_len);
+	}
+      }
+      translate([ 0,
+		  0,
+		  big_rad - rearcurve_rad ]) {
+	intersection(){
+	  rotate([90,0,0]){
+	    rotate_extrude(convexity=10) {
+	      translate([ big_rad,
+			  0 ]) {
+		hull(){
+		  circle(r= small_rad);
+		  translate([200,0])
+		    circle(r= small_rad);
+		}
+	      }
+	    }
+	  }
+	  mirror([0,0,1])
+	    cube([150,150,150]);
+	}
+      }
+    }
+  }
+}
+
+module Machine(){ ////toplevel
   Machine_Arm();
+  Machine_Rear();
 }
   
 function Rectangle_corners(c0, sz) =
@@ -365,7 +434,7 @@ m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
 
 module Tile02(){ ////toplevel
   sz = [100,170];
-  c0 = -sz;
+  c0 = tile02_tr + -sz;
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);
   rcs = [R_EDGE(c,0)];
@@ -385,7 +454,7 @@ module Tile02(){ ////toplevel
 
 module Tile12(){ ////toplevel
   sz = [100,250];
-  c0 = [-sz[0], 0];
+  c0 = tile02_tr + [-sz[0], 0];
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);
   rcs = [R_EDGE(c,3)];
@@ -403,12 +472,12 @@ module Tile12(){ ////toplevel
   RoundCornerAdd(rcs);
 }
 
-tile_01_11_cnr = [250, 0] + [-cutout_tile11_x, 0];
-tile_11_10_cnr = [250, 0] + [0, cutout_tile11_y];
+tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0];
+tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
 
 module Tile11(){ ////toplevel
   sz = [250,250];
-  c0 = [0,0];
+  c0 = tile02_tr + [0,0];
   c = Rectangle_corners(c0, sz);
   cnr_posts = Rectangle_corners2posts(c);
   posts = concat(
@@ -425,16 +494,71 @@ module Tile11(){ ////toplevel
       RoundEdge(R_EDGE(c,2));
       InterlockEdge(R_EDGE(c,3));
     }
-    Machine();
     InterlockEdge(c[0], tile_01_11_cnr, 1);
     InterlockEdge(tile_11_10_cnr, c[2], 1);
+    Machine();
+  }
+}    
+
+tile_01_00_cnr = tile01_tr + [0, -cutout_tile01_y];
+
+module Tile01(){ ////toplevel
+  sz = [250,170];
+  c0 = tile02_tr + [0,-sz[1]];
+  c = Rectangle_corners(c0, sz);
+  cnr_posts = Rectangle_corners2posts(c);
+  posts = concat(
+		 Posts_interpolate_one(R_EDGE(cnr_posts,0)),
+		 [ cnr_posts[2] + [0, -cutout_tile01_y] ],
+		 Posts_interpolate_one(cnr_posts[2] - [cutout_tile11_x, 0],
+				       cnr_posts[3])
+		 );
+  difference(){
+    union(){
+      Rectangle_TileBase(c);
+      Posts(posts);
+      RoundEdge(R_EDGE(c,0));
+      InterlockEdge(tile_01_11_cnr, c[3]);
+      InterlockEdge(R_EDGE(c,3));
+    }
+    InterlockEdge(c[1], tile_01_00_cnr, 1);
+    Machine();
   }
 }    
 
+module Tile10(){ ////toplevel
+  sz = [250,250];
+  c0 = tile02_tr + [sz[0],0];
+  c = Rectangle_corners(c0, sz);
+  cnr_posts = Rectangle_corners2posts(c);
+  cty = cutout_tile11_y;
+  rcy = cty + rearcurve_avoid_y;
+  posts = [ cnr_posts[0] + [ 0,                             cty ],
+	    cnr_posts[1] + [ -sz[1] + rearedge_len - cutout_l_end_x, cty ],
+	    cnr_posts[1] + [ 0,                             rcy ],
+	    cnr_posts[2],
+	    cnr_posts[3] ];
+  rcs = [R_EDGE(c,2)];
+  difference(){
+    union(){
+      Rectangle_TileBase(c);
+      Posts(posts);
+      RoundEdge(R_EDGE(c,1));
+      RoundEdge(R_EDGE(c,2));
+      InterlockEdge(c[3], tile_11_10_cnr);
+    }
+    RoundCornerCut(rcs);
+    Machine();
+  }
+  RoundCornerAdd(rcs);
+}
+
 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();
+  translate(demo_slop*[-2,0]) color("purple") Tile01();
+  translate(demo_slop*[-3,1]) color("blue")   Tile10();
   %Machine();
 }