chiark / gitweb /
sewing-table: Machine_Rear: reartablet, and fix x
[reprap-play.git] / sewing-table.scad.m4
index 8b69b445499503991010b0295de2ce8ca08be2c4..45694567c8e9474010d5d1fcd84d89883df27abb 100644 (file)
@@ -30,12 +30,37 @@ demo_slop = 0.1;
 
 // cutout
 
+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;
+
+tile01_tr = [250, 0];
+
+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
+
+rearedge_len = 170;
+
+rearcurve_rad = 25.4;
+rearcurve_strt_len = 65;
+rearcurve_total_len = 84;
+
+rearcurve_rad_slop = 0.5;
+
+rearcurve_avoid_y = rearcurve_rad + 10;
 
-cutout_tile01_y = 170 - 147;
-cutout_tile11_x = 22 + cutout_l_end_curve;
-cutout_tile11_y = cutout_l_end_curve - cutout_tile01_y;
+reartablet_z = 2.54;
+reartablet_x = 5 + 1;
+reartablet_y = 5;
 
 // calculated
 
@@ -109,11 +134,17 @@ module TileBase(botleft, topright){
     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]));
+      difference(){
+       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]));
+       }
+       minkowski(){
+         Machine();
+         cube(max(test_edge, tile_hard_edge_hole_dist)*2, center=true);
+       }
       }
     }
   }
@@ -301,6 +332,79 @@ module TestDemo(){ ////toplevel
   translate([ +thehd[0] + demo_slop, 0 ])
     TestPiece2();
 }
+
+module Machine_Arm(){
+  ysz = cutout_l_end_y_total;
+  // assume the round end is arc of a circle
+  chordlen = dist2d([0,0], [ cutout_l_end_y, cutout_l_end_curve ]);
+  endrad = cutout_l_end_y / cutout_l_end_curve * chordlen;
+  
+  translate([0,0,-30]) linear_extrude(height=60) {
+    translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
+      intersection(){
+       translate([-100, -ysz/2])
+         square([400, ysz]);
+       translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
+         circle(r=endrad, $fa=0.01,$fd=5);
+      }
+    }
+  }
+}
+
+module Machine_Rear(){ ////toplevel
+  big_rad = rearcurve_total_len - rearcurve_strt_len + rearcurve_rad;
+  small_rad = rearcurve_rad + rearcurve_rad_slop;
+  translate([ 250 - 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) =
   // returns the corners of a rectangle from c0 to c0+sz
@@ -318,6 +422,8 @@ function Rectangle_corners2posts(c) =
 
 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
@@ -365,9 +471,94 @@ 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];
+
+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));
+    }
+    InterlockEdge(c[0], tile_01_11_cnr, 1);
+    InterlockEdge(tile_11_10_cnr, c[2], 1);
+    Machine();
+  }
+}    
+
+tile_01_00_cnr = [250, 0] + [0, -cutout_tile01_y];
+
+module Tile01(){ ////toplevel
+  sz = [250,170];
+  c0 = [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 = [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();
 }
   
 //TestPiece1();