X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sewing-table.scad.m4;h=3de16d77c4feefbc300ce01d30646511a79e92b6;hb=ef8fcb4aec69c6e34ef568720126abe0fa867efa;hp=7f59091d50c25c091516362163b23588858b7c0c;hpb=ebb99e1e31e40a4439621aabf3d2e7d922afe25b;p=reprap-play.git

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 7f59091..3de16d7 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -100,8 +100,8 @@ frontcurve_side_skew = 3.5 / 72;
 frontcurve_avoid_y = 70;
 frontcurve_z_slop = 0.75;
 
-frontcurve_strt_len = 60;
-frontcurve_dualcurve_angle = 90 - 65;
+frontcurve_strt_len = 50;
+frontcurve_dualcurve_angle = 30;
 
 // calculated
 
@@ -809,71 +809,106 @@ module FitTest_general(c0,sz, dobrace=false){
   }
 }
 
-module FitTest_Entire(){ ////toplevel
-  FitTest_general([-40,-80], [275,180], dobrace=true);
-}
-
-module FitTest_RearCurve(){ ////toplevel
-  FitTest_general([110,0], [170,100]);
-}
-
-module FitTest_FrontCurve(){ ////toplevel
-  p0 = [110,-80];
-  sz = [170,80];
-  intersection() {
-    Tile00();
-    translate([0,0,-8]) linear_extrude(height=18) {
-      translate(p0) square(sz);
-    }
-  }
-}
-
 module FitTest_PairLink(cut=false){ ////toplevel
   cy0=-55; cy1=85; cx=127;
   bar = [10,10];
   legrad = 12;
-  footrad_min = 2; footrad_max = 4; footrad_depth = 3;
+  footrad_min = 1; footrad_max = 4; footrad_depth = 5;
   strap = [3,5];
+  adj_neg_slop = 1.0;
+  bar_z_slop = 1.75;
 
   // calculated
   straphole_x_max = legrad/sqrt(2) + footrad_max;
+  dz = cut ? adj_neg_slop : 0;
+
+  translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
+    cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
 
-  translate([cx - bar[0]/2, cy0, 0])
-    cube([bar[0], cy1-cy0, bar[1]]);
   for (endy=[cy0,cy1]) {
     $fn=32;
-    translate([cx,endy,0]){
-      for (rot=[45:90:315]) {
-	rotate(rot){
-	  translate([legrad,0,0]){
-	    hull(){
-	      cylinder(r= footrad_max, h=1);
-	      translate([0,0,-footrad_depth])
-		cylinder(r= footrad_min, h=1);
-	    }
+    translate([cx,endy,dz]){
+      // feet
+      for (rot=[45:90:315]) rotate(rot) {
+	translate([legrad,0,0]){
+	  hull(){
+	    cylinder(r= footrad_max, h=1);
+	    translate([0,0,-footrad_depth])
+	      cylinder(r= footrad_min, h=1);
 	  }
 	}
       }
-      for (rot=[45,135]) {
-	rotate(rot){
-	  hull(){
-	    for (s=[-1,+1]){
-	      translate([s*legrad,0,0])
-		cylinder(r= footrad_max, h=bar[1]);
-	    }
+      // legs
+      for (rot=[45,135]) rotate(rot) {
+	hull(){
+	  for (s=[-1,+1]){
+	    translate([s*legrad,0,0])
+	      cylinder(r= footrad_max, h=bar[1]);
 	  }
 	}
       }
+      // strap holes
+      if (cut) {
+	for (rot=[0,180]) rotate(rot) {
+	    translate([ straphole_x_max - strap[0]/2, 0,0 ])
+	      cube(concat(strap,[20]), center=true);
+	  }
+      }
+    }
+  }
+}
+
+module FitTest_RearCurve(){ ////toplevel
+  difference(){
+    FitTest_general([110,0], [170,100]);
+    FitTest_PairLink(true);
+  }
+}
+
+module FitTest_FrontCurve(){ ////toplevel
+  p0 = [110,-80];
+  sz = [170,80];
+  difference(){
+    intersection() {
+      Tile00();
+      translate([0,0,-8]) linear_extrude(height=18) {
+	translate(p0) square(sz);
+      }
     }
+    FitTest_PairLink(true);
   }
 }
 
+module FitTest_Entire(){ ////toplevel
+  difference(){
+    FitTest_general([-40,-80], [275,180], dobrace=true);
+    FitTest_PairLink(true);
+  }
+}
+
+module FitTest_EntireDemo(){ ////toplevel
+  FitTest_Entire();
+  %Tile00();
+}
+
 module FitTest_PairDemo(){ ////toplevel
-  translate([-120,0,0]){
+  sh=[-100,-15,0];
+  translate(sh){
     FitTest_PairLink();
     %FitTest_FrontCurve();
     %FitTest_RearCurve();
   }
+  rotate([0,0,180]){
+    translate(sh){
+      difference(){
+	union(){
+	  FitTest_FrontCurve();
+	  FitTest_RearCurve();
+	}
+	#FitTest_PairLink(true);
+      }
+    }
+  }
 }
 
 module RoundCornerDemo_plat(cnr){