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=458d00e7ec1378c2c610ad07e2ed02c2e5568163;hp=734a7a5ea64006c19a0e9d2a7b9dae0e076eac9f;hb=af63f80d67127c065bb693cecdba1eaec187627c;hpb=dcdee0c23c3d28e9e1eb99ec9905f5d9110a9627

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 734a7a5..458d00e 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -96,6 +96,10 @@ reartablet_z = 2.54;
 reartablet_x = 5 + 1;
 reartablet_y = 5;
 
+frontcurve_side_skew = 3.5 / 72;
+frontcurve_avoid_y = 70;
+frontcurve_z_slop = 0.75;
+
 // calculated
 
 TEST = false;
@@ -126,6 +130,9 @@ interlock_sq_adj = 0.2; // arbitrary
 
 first_front = machine_front_profile[len(machine_front_profile)-1];
 
+m4_define(`POST_TCROSSSZ',
+          `2*( tile_hard_edge_hole_dist - test_edge + 1 )')
+
 module Post(){
   mirror([0,0,1]) {
     difference(){
@@ -136,10 +143,9 @@ module Post(){
       }
     }
     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);
+	cube([post_dia,      POST_TCROSSSZ, tile_th], center=true);
+	cube([POST_TCROSSSZ, post_dia,      tile_th], center=true);
       }
     }
   }
@@ -161,15 +167,19 @@ module TileBase(botleft, topright){
       translate(concat(botleft, [0]))
       cube(concat(size, [tile_th]));
     if (!TEST) {
+      cidsz = topright_post-botleft_post
+	+ [-post_dia,-post_dia]
+	+ [0, thehd[1]];
       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]]);
+	Commitid_BestCount_M(cidsz);
     }
     if (TEST) {
-      translate( concat(botleft + [thehd[0], 0], [0]) )
-	Commitid_BestCount([ size[0] - thehd[0]*2, thehd[1] ]);
+      crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
+      cidsz = [ thehd[0], size[1] - 2*crossoff ];
+      cidszr = [ cidsz[0], min(cidsz[1], 50) ];
+      translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
+	Commitid_BestCount(cidszr);
       difference(){
 	mirror([0,0,1]) {
 	  translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
@@ -418,6 +428,15 @@ module Machine_RearProfile(){
   }
 }
 
+module Machine_FrontProfile(){
+  intersection(){
+    Machine_Profile();
+    translate([ machine_rear_to_front/2, -100 ]) {
+      square([200,200]);
+    }
+  }
+}
+
 module Machine_Curves(){ ////toplevel
   translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
 	      cutout_tile11_y,
@@ -433,7 +452,19 @@ module Machine_Curves(){ ////toplevel
   }
   translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
 	      cutout_tile11_y,
-	      0 ]){
+	      frontcurve_z_slop ]){
+    translate([ 0, -first_front[0] , 0 ])
+      multmatrix([[1, -frontcurve_side_skew, 0, 0],
+		  [0,  1,   0, 0],
+		  [0,  0,   1, 0],
+		  [0,  0,   0, 1]])
+      translate([ 0, first_front[0] , 0 ])
+      mirror([1,0,0]){
+      rotate([0,-90,0])rotate([0,0,-90]){
+	linear_extrude(height= 200)
+	  Machine_FrontProfile();
+      }
+    }
     translate([ rearcurve_strt_len,
 		0,
 		rearcurve_z_slop ]){
@@ -538,10 +569,11 @@ module Tile12(){ ////toplevel
 
 tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0];
 tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
+tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
 
 module Tile11(){ ////toplevel
   sz = [250,250];
-  c0 = tile02_tr + [0,0];
+  c0 = tile01_tr + [-sz[0],0];
   c = Rectangle_corners(c0, sz);
   cnr_posts = Rectangle_corners2posts(c);
   posts = concat(
@@ -564,11 +596,9 @@ module Tile11(){ ////toplevel
   }
 }    
 
-tile_01_00_cnr = tile01_tr + [0, -cutout_tile01_y];
-
 module Tile01(){ ////toplevel
   sz = [250,170];
-  c0 = tile02_tr + [0,-sz[1]];
+  c0 = tile01_tr + -sz;
   c = Rectangle_corners(c0, sz);
   cnr_posts = Rectangle_corners2posts(c);
   posts = concat(
@@ -592,13 +622,13 @@ module Tile01(){ ////toplevel
 
 module Tile10(){ ////toplevel
   sz = [250,250];
-  c0 = tile02_tr + [sz[0],0];
+  c0 = tile01_tr + [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] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ],
 	    cnr_posts[1] + [ 0,                             rcy ],
 	    cnr_posts[2],
 	    cnr_posts[3] ];
@@ -617,12 +647,41 @@ module Tile10(){ ////toplevel
   RoundCornerAdd(rcs);
 }
 
+module Tile00(){ ////toplevel
+  sz = [250,170];
+  c0 = tile01_tr + [0,-sz[1]];
+  c = Rectangle_corners(c0, sz);
+  cnr_posts = Rectangle_corners2posts(c);
+  cty = cutout_tile01_y;
+  rcy = cty + frontcurve_avoid_y;
+  posts = [ cnr_posts[0],
+	    cnr_posts[1],
+	    cnr_posts[2] + [ 0,                             -rcy ],
+	    cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
+	    cnr_posts[3] + [ 0,                             -cty ]
+	    ];
+  rcs = [R_EDGE(c,1)];
+  difference(){
+    union(){
+      Rectangle_TileBase(c);
+      Posts(posts);
+      RoundEdge(R_EDGE(c,0));
+      RoundEdge(R_EDGE(c,1));
+      InterlockEdge(tile_01_00_cnr, c[0]);
+    }
+    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();
+  translate(demo_slop*[-3,0]) color("red")    Tile00();
   %Machine();
 }