sewing-table: FitTest_PairLink: wip

[reprap-play.git] / sewing-table.scad.m4

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index ceea8b573836240ab90bdee447d8b845ff76ad05..7c95db9682b16029b972a150ad1a2e3e69b6f219 100644 (file)
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -210,7 +210,13 @@ m4_dnl        c is from Rectangle_corners and
 m4_dnl        ix is a corner number
 m4_dnl    expands to two comma-separated corners:
 m4_dnl    that denoted by ix, and the next one anticlockwise
 m4_dnl        ix is a corner number
 m4_dnl    expands to two comma-separated corners:
 m4_dnl    that denoted by ix, and the next one anticlockwise

-m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
+m4_define(`R_EDGE',`$1[$2], $1[(($2)+1)%4]')
+
+m4_dnl   R_CNR(c,ix)
+m4_dnl        c is from Rectangle_corners and
+m4_dnl        ix is a corner number
+m4_dnl    expands to an array of corners as for RoundCorner
+m4_define(`R_CNR',`[ $1[$2], $1[(($2)+1)%4], $1[(($2)+3)%4] ]')

 
 m4_dnl  INREFFRAME(left_cnr, right_cnr, morevars) { body; }
 m4_define(`INREFFRAME',`
 
 m4_dnl  INREFFRAME(left_cnr, right_cnr, morevars) { body; }
 m4_define(`INREFFRAME',`


@@ -261,12 +267,6 @@ m4_define(`ROUNDCORNER_VARS',`
 
 module RoundCorner_selector(ci, adj) {
   ROUNDCORNER_VARS;
 
 module RoundCorner_selector(ci, adj) {
   ROUNDCORNER_VARS;

-  echo("RCS",l_uvec,ctr);
-  %union(){
-    INREFFRAME(this_cnr, right_cnr) {
-      cube(bigr*2 + adj, center=true);
-    }
-  }

   intersection(){
     union(){
       INREFFRAME(ctr3,concat(lp1,[4])){
   intersection(){
     union(){
       INREFFRAME(ctr3,concat(lp1,[4])){


@@ -400,7 +400,7 @@ module TestPiece1(){ ////toplevel
            [   0, 0]
            ];
   corners = TestPiece_holes2corners(holes);
            [   0, 0]
            ];
   corners = TestPiece_holes2corners(holes);

-  rcs = [corners[0], corners[1]];
+  rcs = R_CNR(corners,0);

   difference(){
     union(){
       TileBase(corners[0], corners[2]);
   difference(){
     union(){
       TileBase(corners[0], corners[2]);


@@ -489,6 +489,21 @@ module Machine_NewRearProfile(){
   }
 }
 
   }
 }
 

+module Machine_NewFrontProfile(){
+  // figures copied out of xfig edit boxes
+  // best not to edit the posbox size if poss - just move it
+  posbox = 10 * ([11.8022,8.0600] - [4.2044,19.1867]); // box, Green
+  refline = 10 * ([7.6778,16.7222] - [27.8689,17.6578]); // line, Blue
+  refline_mm = (11-1)*10;
+  sh = -[abs(posbox[0]), abs(posbox[1])];
+  rot = atan2(-refline[0], refline[1]);
+  sc = refline_mm / vectorlen2d(refline);
+  //echo("SH",sh,rot,sc);
+  mirror([1,0]) scale(sc) rotate(rot+90) translate(sh){
+    import("sewing-table-front-profile.dxf", convexity=10); // spline, Pink3
+  }
+}
+

 module Machine_NewRearCurve(){
   slant = atan2(4,210-10);
   //echo("SL",slant);
 module Machine_NewRearCurve(){
   slant = atan2(4,210-10);
   //echo("SL",slant);


@@ -554,18 +569,15 @@ module Machine_Curves(){ ////toplevel
   translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
              cutout_tile11_y,
              frontcurve_z_slop ]){
   translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
              cutout_tile11_y,
              frontcurve_z_slop ]){

-    translate([ 0, -first_front[0] , 0 ])
+    translate([0, -machine_rear_to_front, 0])

       multmatrix([[1, -frontcurve_side_skew, 0, 0],
                  [0,  1,   0, 0],
                  [0,  0,   1, 0],
                  [0,  0,   0, 1]])
       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();
-      }
-    }
+      mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
+      linear_extrude(height= 200)
+      Machine_NewFrontProfile();
+

     translate([ rearcurve_strt_len,
                0,
                rearcurve_z_slop ]){
     translate([ rearcurve_strt_len,
                0,
                rearcurve_z_slop ]){


@@ -610,41 +622,12 @@ module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
 
 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
 
 
 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
 

-module FitTest_general(c0,sz, dobrace=false){
-  c = Rectangle_corners(c0, sz);
-  brace = [7,7,9];
-  difference(){
-    union(){
-      Rectangle_TileBase(c);
-      if (dobrace) {
-       translate(concat(c0, [-brace[2] + 0.1])){
-         difference(){
-           cube(concat(sz,[brace[2]]) - [5,0,0]);
-           translate(brace + [0,0, -25])
-             cube(concat(sz, [50]) - brace*2 + [10,0,0]);
-         }
-       }
-      }
-      RoundEdge(R_EDGE(c,1));
-    }
-    Machine();
-  }
-}
-
-module FitTest_Entire(){ ////toplevel
-  FitTest_general([-40,-80], [275,180], dobrace=true);
-}
-
-module FitTest_RearCurve(){ ////toplevel
-  FitTest_general([110,0], [170,100]);
-}
-

 module Tile02(){ ////toplevel
   sz = [100,170];
   c0 = tile02_tr + -sz;
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);
 module Tile02(){ ////toplevel
   sz = [100,170];
   c0 = tile02_tr + -sz;
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);

-  rcs = [R_EDGE(c,0)];
+  rcs = R_CNR(c,0);

   difference(){
     union(){
       Rectangle_TileBase(c);
   difference(){
     union(){
       Rectangle_TileBase(c);


@@ -664,7 +647,7 @@ module Tile12(){ ////toplevel
   c0 = tile02_tr + [-sz[0], 0];
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);
   c0 = tile02_tr + [-sz[0], 0];
   c = Rectangle_corners(c0, sz);
   posts = Rectangle_corners2posts(c);

-  rcs = [R_EDGE(c,3)];
+  rcs = R_CNR(c,3);

   difference(){
     union(){
       Rectangle_TileBase(c);
   difference(){
     union(){
       Rectangle_TileBase(c);


@@ -744,7 +727,7 @@ module Tile10(){ ////toplevel
            cnr_posts[1] + [ 0,                             rcy ],
            cnr_posts[2],
            cnr_posts[3] ];
            cnr_posts[1] + [ 0,                             rcy ],
            cnr_posts[2],
            cnr_posts[3] ];

-  rcs = [R_EDGE(c,2)];
+  rcs = R_CNR(c,2);

   difference(){
     union(){
       Rectangle_TileBase(c);
   difference(){
     union(){
       Rectangle_TileBase(c);


@@ -779,7 +762,8 @@ module Tile00(){ ////toplevel
            cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
            cnr_posts[3] + [ 0,                             -cty ]
            ];
            cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
            cnr_posts[3] + [ 0,                             -cty ]
            ];

-  rcs = [R_EDGE(c,1)];
+  rcs = R_CNR(c,1);
+  rc2 = [c1bis,c2bis,c[1]];

   difference(){
     union(){
       difference(){
   difference(){
     union(){
       difference(){


@@ -798,9 +782,39 @@ module Tile00(){ ////toplevel
       RoundEdge(c1bis, c2bis);
     }
     Machine();
       RoundEdge(c1bis, c2bis);
     }
     Machine();

+    RoundCornerCut(rc2);

   }
   RoundCornerAdd(rcs);
   }
   RoundCornerAdd(rcs);

-  RoundCornerAdd([c1bis,c2bis,c[1]]);
+  RoundCornerAdd(rc2);
+}
+
+module FitTest_general(c0,sz, dobrace=false){
+  c = Rectangle_corners(c0, sz);
+  brace = [7,7,9];
+  difference(){
+    union(){
+      Rectangle_TileBase(c);
+      if (dobrace) {
+       translate(concat(c0, [-brace[2] + 0.1])){
+         difference(){
+           cube(concat(sz,[brace[2]]) - [5,0,0]);
+           translate(brace + [0,0, -25])
+             cube(concat(sz, [50]) - brace*2 + [10,0,0]);
+         }
+       }
+      }
+      RoundEdge(R_EDGE(c,1));
+    }
+    Machine();
+  }
+}
+
+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
 }
 
 module FitTest_FrontCurve(){ ////toplevel


@@ -814,6 +828,48 @@ module FitTest_FrontCurve(){ ////toplevel
   }
 }
 
   }
 }
 

+module FitTest_PairLink(cut=false){ ////toplevel
+  cy0=-55; cy1=85; cx=127;
+  bar = [10,10];
+  legrad = 12;
+  footrad_min = 4; footrad_max = 6; footrad_depth = 3;
+
+  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=[45,135]) {
+       rotate(rot){
+         hull(){
+           for (s=[-1,+1]){
+             translate([s*legrad,0,0])
+               cylinder(r= footrad_max, h=bar[1]);
+           }
+         }
+       }
+      }
+      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);
+           }
+         }
+       }
+      }
+    }
+  }
+}
+
+module FitTest_PairDemo(){ ////toplevel
+  FitTest_PairLink();
+  %FitTest_FrontCurve();
+  %FitTest_RearCurve();
+}
+

 module RoundCornerDemo_plat(cnr){
   mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
 }
 module RoundCornerDemo_plat(cnr){
   mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
 }


@@ -848,6 +904,7 @@ module Demo(){ ////toplevel
 //Machine_Profile();
 //Machine_NewRearProfile();
 //Machine_NewRearCurve();
 //Machine_Profile();
 //Machine_NewRearProfile();
 //Machine_NewRearCurve();

+//Machine_NewFrontProfile();

 //Machine_Curves();
 //Machine();
 //FitTest();
 //Machine_Curves();
 //Machine();
 //FitTest();