sewing-table: new front profile wip, prep for swap (side skew)

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

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 76fda5d8ba6a00ca3ebe1c7b9a661e925ff6c091..bdc93a072411fa9dd7ce252ac53c5f06db12acb6 100644 (file)
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -205,6 +205,19 @@ module TileBase(botleft, topright){
   }
 }
 
+m4_dnl   R_EDGE(c,ix)
+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_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',`
   length_vec = ($2) - ($1);
@@ -254,12 +267,6 @@ m4_define(`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])){
@@ -393,7 +400,7 @@ module TestPiece1(){ ////toplevel
            [   0, 0]
            ];
   corners = TestPiece_holes2corners(holes);
-  rcs = [corners[0], corners[1]];
+  rcs = R_CNR(corners,0);
   difference(){
     union(){
       TileBase(corners[0], corners[2]);
@@ -482,6 +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);
@@ -559,6 +581,16 @@ module Machine_Curves(){ ////toplevel
          Machine_FrontProfile();
       }
     }
+
+    %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]])
+      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 ]){
@@ -603,13 +635,6 @@ 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
-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]')
-
 module FitTest_general(c0,sz, dobrace=false){
   c = Rectangle_corners(c0, sz);
   brace = [7,7,9];
@@ -644,7 +669,7 @@ module Tile02(){ ////toplevel
   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);
@@ -664,7 +689,7 @@ module Tile12(){ ////toplevel
   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);
@@ -744,7 +769,7 @@ module Tile10(){ ////toplevel
            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);
@@ -779,7 +804,8 @@ module Tile00(){ ////toplevel
            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(){
@@ -798,9 +824,10 @@ module Tile00(){ ////toplevel
       RoundEdge(c1bis, c2bis);
     }
     Machine();
+    RoundCornerCut(rc2);
   }
   RoundCornerAdd(rcs);
-  RoundCornerAdd([c1bis,c2bis,c[1]]);
+  RoundCornerAdd(rc2);
 }
 
 module FitTest_FrontCurve(){ ////toplevel
@@ -819,7 +846,7 @@ module RoundCornerDemo_plat(cnr){
 }
 
 module RoundCornerDemo(){ ////toplevel
-  cnr = [ [0,0], [15,0], [-10,12] ];
+  cnr = [ [-2,-3], [13,-3], [-12,9] ];
   translate([0,25,0]) RoundCornerDemo_plat(cnr);
   translate([25,0,0]) RoundCornerAdd(cnr);
   translate([-25,0,0]) RoundCornerCut(cnr);
@@ -848,6 +875,7 @@ module Demo(){ ////toplevel
 //Machine_Profile();
 //Machine_NewRearProfile();
 //Machine_NewRearCurve();
+//Machine_NewFrontProfile();
 //Machine_Curves();
 //Machine();
 //FitTest();