chiark / gitweb /
sewing-table: TEST commitid: rotate so counter is in edgy bit
[reprap-play.git] / sewing-table.scad.m4
index 8e59b4a..80d86c8 100644 (file)
@@ -30,12 +30,45 @@ demo_slop = 0.1;
 
 // cutout
 
+machine_rear_to_front = 85;
+
+machine_rear_profile = [
+                       [ -  0,  -0.00 ],
+                       [ -  2,  -0.10 ],
+                       [ -  4,  -0.20 ],
+                       [ -  5,  -0.30 ],
+                       [ -  6,  -0.40 ],
+                       [ -  7,  -0.50 ],
+                       [ -  8,  -0.75 ],
+                       [ - 10,  -1.50 ],
+                       [ - 12,  -2.25 ],
+                       [ - 14,  -3.25 ],
+                       [ - 16,  -4.25 ],
+                       [ - 18,  -5.75 ],
+                       [ - 20,  -8.00 ]
+                       ];
+
+machine_front_profile =  [
+                         [  128,  -3.70,  ],
+                         [  124,  -2.90,  ],
+                         [  120,  -2.45,  ],
+                         [  116,  -2.10,  ],
+                         [  112,  -1.80,  ],
+                         [  108,  -1.55,  ],
+                         [  104,  -1.25,  ],
+                         [  100,  -1.00,  ],
+                         [   96,  -0.80,  ],
+                         [   92,  -0.65,  ],
+                         [   88,  -0.55,  ],
+                         [   84,  -0.50,  ]
+                         ];
+
 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_y = machine_rear_to_front;
 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;
@@ -47,22 +80,26 @@ cutout_tile01_y = 170 - 147 + cutout_l_end_y_front_slop;
 cutout_tile11_x = cutout_l_end_x + cutout_l_end_curve;
 cutout_tile11_y = cutout_l_end_y_total - cutout_tile01_y;
 
-// rear curve
+// front and rear curves
 
 rearedge_len = 170;
 
-rearcurve_rad = 25.4;
-rearcurve_strt_len = 65;
-rearcurve_total_len = 84;
+rearcurve_strt_len = 52;
+
+rearcurve_z_slop = 0.75;
 
-rearcurve_rad_slop = 0.75;
+rearcurve_avoid_y = 35;
 
-rearcurve_avoid_y = rearcurve_rad + 10;
+rearcurve_double_inrad = 26.10 + 8.04;
 
 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;
@@ -91,6 +128,11 @@ interlock_negative_rad = interlock_rad + 0.125;
 
 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(){
@@ -101,10 +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);
       }
     }
   }
@@ -133,8 +174,11 @@ module TileBase(botleft, topright){
                              + [0, thehd[1]]);
     }
     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 = [ size[0] - 2*crossoff, thehd[1] ];
+      translate( concat(botleft + [crossoff, 0] + cidsz, [0]) )
+       rotate([0,0,180])
+       Commitid_BestCount(cidsz);
       difference(){
        mirror([0,0,1]) {
          translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
@@ -352,9 +396,47 @@ module Machine_Arm(){
   }
 }
 
-module Machine_Rear(){ ////toplevel
-  big_rad = rearcurve_total_len - rearcurve_strt_len + rearcurve_rad;
-  small_rad = rearcurve_rad + rearcurve_rad_slop;
+module Machine_Profile(){
+  first_rear = machine_rear_profile[0];
+  below_point = 0.5 * ( first_rear + first_front ) + [ 0, -10 ];
+  pol = concat( machine_rear_profile,
+               [ below_point ],
+               machine_front_profile);
+  skew_angle = atan2( first_front[1] - first_rear[1],
+                     first_front[0] - first_rear[0] );
+  echo(below_point, pol, skew_angle);
+  hull(){
+    for (z=[0,-40]) {
+      translate([0,z]) {
+       //scale([1,5])
+       rotate([0,0, -skew_angle ]){
+         //translate( - first_front )
+         polygon(pol);
+       }
+      }
+    }
+  }
+}
+
+module Machine_RearProfile(){
+  intersection(){
+    Machine_Profile();
+    translate([ -200 + machine_rear_to_front/2, -100 ]) {
+      square([200,200]);
+    }
+  }
+}
+
+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,
              0 ]){
@@ -366,36 +448,48 @@ module Machine_Rear(){ ////toplevel
       cube([ reartablet_x+1,
             reartablet_y+1,
             20 ]);
+  }
+  translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
+             cutout_tile11_y,
+             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,
-               0 ]){
-      translate([ 0,
+               rearcurve_z_slop ]){
+      translate([ 1,
                  0,
-                 -rearcurve_rad
+                 0
                  ]){
-       rotate([0,-90,0]){
-         rotate([0,0, 360/8/2])
-           cylinder(r = small_rad, h= rearcurve_strt_len);
+       rotate([0,-90,0])rotate([0,0,-90]){
+         linear_extrude(height= rearcurve_strt_len + 1)
+         Machine_RearProfile();
        }
       }
       translate([ 0,
                  0,
-                 big_rad - rearcurve_rad ]) {
+                 rearcurve_double_inrad ]) {
        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);
-               }
+           rotate_extrude(convexity=10, $fn=32) {
+             rotate([0,0,90]) translate([ 0,
+                         -rearcurve_double_inrad ]) {
+               Machine_RearProfile();
              }
            }
          }
          mirror([0,0,1])
-           cube([150,150,150]);
+           translate([0,-75,0]) cube([150,150,150]);
        }
       }
     }
@@ -404,7 +498,7 @@ module Machine_Rear(){ ////toplevel
 
 module Machine(){ ////toplevel
   Machine_Arm();
-  Machine_Rear();
+  Machine_Curves();
 }
   
 function Rectangle_corners(c0, sz) =
@@ -474,10 +568,11 @@ 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(
@@ -500,11 +595,9 @@ 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(
@@ -528,13 +621,13 @@ 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] ];
@@ -553,15 +646,47 @@ 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();
 }
   
 //TestPiece1();
 //TestPiece2();
 //Demo();
+
+//Machine_Profile();
+//Machine_RearProfile();