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=472aacf382e756d1fc9d0a4d8fb541f12700a077;hp=8e59b4aa9d92a60b16aa0ee441748a7360dca618;hb=8d45ee4624d7cf2bcd80cbe724dc3b286ebaa866;hpb=82d8e8f5a83f2823a8f35b7280a2c4dc09697042

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 8e59b4a..472aacf 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -30,12 +30,43 @@ demo_slop = 0.1;
 
 // cutout
 
+machine_rear_to_front = 85;
+
+machine_rear_profile = [
+			[ -  0,  -0.00 ],
+			[ -  2,  -0.10 ],
+			[ -  4,  -0.25 ],
+			[ -  6,  -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,  -2.80,  ],
+			  [  120,  -2.50,  ],
+			  [  116,  -2.00,  ],
+			  [  112,  -1.80,  ],
+			  [  108,  -1.60,  ],
+			  [  104,  -1.30,  ],
+			  [  100,  -1.00,  ],
+			  [   96,  -0.80,  ],
+			  [   92,  -0.70,  ],
+			  [   88,  -0.50,  ],
+			  [   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;
@@ -352,6 +383,21 @@ module Machine_Arm(){
   }
 }
 
+module Machine_Profile(){
+  first_rear = machine_rear_profile[0];
+  first_front = machine_front_profile[len(machine_front_profile)-1];
+  below_point = 0.5 * ( first_rear + first_front ) + [ 0, -40 ];
+  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);
+  rotate([0,0, -skew_angle ]){
+    polygon(pol);
+  }
+}
+
 module Machine_Rear(){ ////toplevel
   big_rad = rearcurve_total_len - rearcurve_strt_len + rearcurve_rad;
   small_rad = rearcurve_rad + rearcurve_rad_slop;
@@ -565,3 +611,5 @@ module Demo(){ ////toplevel
 //TestPiece1();
 //TestPiece2();
 //Demo();
+
+Machine_Profile();