sewing-table: jig: other diagonals

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

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index a4c9fca9cab81c70ee4cc7581a828c91a106b08d..8ca8ff17bc26b4a2f7342092f0841d15798f7d4b 100644 (file)
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -7,6 +7,8 @@ ply_th = 18;
 ply_hole_dia = 15;
 ply_edge_min = 10;
 
+ply_hole_dia_real = 12;
+
 tile_th = 3;
 post_dia = 8;
 
@@ -80,6 +82,8 @@ teststrapslots_at = [ [ 110, 70 ], [ 110, -35 ],
 teststrap = [ 3, 5 ];
 teststrap_peg = [7.5, 3.5];
 
+ply_edge_hole_dist_real = 14;
+
 // calculated
 
 TEST = false;
@@ -104,7 +108,7 @@ thehd_tl = [ -thehd_tr[0], thehd_tr[1] ];
 thehd_bl = -thehd_tr;
 thehd_br = -thehd_tl;
 
-tablet_z_slop = 0.25;
+tablet_z_slop = 1.00;
 
 interlock_rad = interlock_dia/2;
 interlock_negative_rad = interlock_rad + 0.125;
@@ -116,19 +120,39 @@ m4_define(`POST_TCROSSSZ',
 
 module Post(){
   mirror([0,0,1]) {
-    difference(){
-      cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
-      translate([0,0, tile_th]) {
-       cylinder(r= screw_big_dia/2, h= screw_big_len);
-       cylinder(r= screw_dia/2, h= ply_th, $fn=20);
+    if (!JIG) {
+      difference(){
+       cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
+       translate([0,0, tile_th]) {
+         cylinder(r= screw_big_dia/2, h= screw_big_len);
+         cylinder(r= screw_dia/2, h= ply_th, $fn=20);
+       }
       }
     }
-    if (TEST || JIG) {
+    if (TEST) {
       translate([0,0, tile_th/2]) {
        cube([post_dia,      POST_TCROSSSZ, tile_th], center=true);
        cube([POST_TCROSSSZ, post_dia,      tile_th], center=true);
       }
     }
+    if (JIG) {
+      translate([0,0, tile_th/2]) {
+       cube([POST_TCROSSSZ, POST_TCROSSSZ, tile_th], center=true);
+      }
+    }
+  }
+}
+
+module PostHole(){
+  if (JIG) {
+    translate([0,0,-5])
+      cylinder(r= post_dia/2 + jig_post_hole_slop, h=10);
+    translate([0,0, -jig_min_th])
+      cylinder(r= ply_hole_dia_real/2, h = 5);
+    for (rot=[0:90:270]) rotate(rot) {
+       translate([ ply_edge_hole_dist_real, 0, 0 ])
+         cube([ jig_pencil_rad*2, jig_pencil_slotlen, 20 ], center=true);
+      }
   }
 }
 
@@ -138,6 +162,12 @@ module Posts(posts) {
       Post();
   }
 }
+module PostHoles(posts) {
+  for (p= posts)  {
+    translate(concat(p, [0]))
+      PostHole();
+  }
+}
 
 module TileBase(botleft, topright){
   size = topright - botleft;
@@ -162,12 +192,13 @@ module TileBase(botleft, topright){
       crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
       cidsz = [ thehd[0], size[1] - 2*crossoff ];
       cidszr = [ cidsz[0], min(cidsz[1], 50) ];
-      translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
-       Commitid_BestCount(cidszr);
+      if (TEST)
+       translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
+         Commitid_BestCount(cidszr);
       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]));
+           cube(concat(size - [test_edge,test_edge]*2, [tile_th*2]));
          translate(concat(botleft_post, [-1]))
            cube(concat(topright_post-botleft_post, [tile_th+2]));
        }
@@ -176,6 +207,17 @@ module TileBase(botleft, topright){
          MachineEnvelope();
          cube(shufflesz, center=true);
        }
+       if (JIG) {
+         translate([0,0,-20]) linear_extrude(height=20) {
+           for (diag=[[ +1, botleft                   ],
+                      [ -1, [topright[0], botleft[1]] ]]) {
+             translate(diag[1])
+               rotate(atan2(size[1], diag[0] * size[0]))
+               translate([0, -test_edge/2])
+               square([vectorlen2d(size), test_edge]);
+           }
+         }
+       }
       }
     }
   }
@@ -386,6 +428,7 @@ module TestPiece1(){ ////toplevel
     }
     InterlockEdge(corners[1], corners[2], 1, nlobes=1);
     RoundCornerCut(rcs);
+    PostHoles(holes);
   }
   RoundCornerAdd(rcs);
 }
@@ -395,10 +438,15 @@ module TestPiece2(){ ////toplevel
            [  50, 0]
            ];
   corners = TestPiece_holes2corners(holes);
-  TileBase(corners[0], corners[2]);
-  Posts(holes);
-  RoundEdge(corners[0], corners[1]);
-  InterlockEdge(corners[3], corners[0], 0, nlobes=1);
+  difference(){
+    union(){
+      TileBase(corners[0], corners[2]);
+      Posts(holes);
+      RoundEdge(corners[0], corners[1]);
+      InterlockEdge(corners[3], corners[0], 0, nlobes=1);
+    }
+    PostHoles(holes);
+  }
 }
 
 module TestDemo(){ ////toplevel
@@ -602,7 +650,7 @@ module TestStrapPeg_Long(){ ////toplevel
 module Machine(){ ////toplevel
   Machine_NewArm();
   Machine_Curves();
-  if (TEST || JIG)
+  if (TEST)
     TestStrapSlots();
 }
 
@@ -653,6 +701,7 @@ module Tile02(){ ////toplevel
     }
     InterlockEdge(R_EDGE(c,1), 1);
     RoundCornerCut(rcs);
+    PostHoles(posts);
   }
   RoundCornerAdd(rcs);
 }
@@ -673,6 +722,7 @@ module Tile12(){ ////toplevel
     InterlockEdge(R_EDGE(c,0), 1);
     InterlockEdge(R_EDGE(c,1), 1);
     RoundCornerCut(rcs);
+    PostHoles(posts);
   }
   RoundCornerAdd(rcs);
 }
@@ -702,6 +752,7 @@ module Tile11(){ ////toplevel
     }
     InterlockEdge(c[0], tile_01_11_cnr, 1);
     InterlockEdge(tile_11_10_cnr, c[2], 1);
+    PostHoles(posts);
     Machine();
   }
 }    
@@ -725,6 +776,7 @@ module Tile01(){ ////toplevel
       InterlockEdge(tile_01_11_cnr, c[3]);
       InterlockEdge(R_EDGE(c,3));
     }
+    PostHoles(posts);
     InterlockEdge(c[1], tile_01_00_cnr, 1);
     Machine();
   }
@@ -751,6 +803,7 @@ module Tile10(){ ////toplevel
       RoundEdge(R_EDGE(c,2));
       InterlockEdge(c[3], tile_11_10_cnr);
     }
+    PostHoles(posts);
     RoundCornerCut(rcs);
     Machine();
   }
@@ -773,6 +826,7 @@ module Tile00(){ ////toplevel
   rcy = cty + frontcurve_avoid_y;
   posts = [ cnr_posts[0],
            cnr_posts[1],
+           0.5 * (cnr_posts[0] + cnr_posts[1]),
            cnr_posts[2] + [ 0,                             -rcy ],
            cnr_posts[2] + [ -sz[0] + frontedge_len - cutout_l_end_x, -cty ],
            cnr_posts[3] + [ 0,                             -cty ]
@@ -797,6 +851,7 @@ module Tile00(){ ////toplevel
       RoundEdge(c1bis, c2bis);
     }
     Machine();
+    PostHoles(posts);
     RoundCornerCut(rc2);
   }
   RoundCornerAdd(rcs);
@@ -984,6 +1039,12 @@ module Demo(){ ////toplevel
   translate(demo_slop*[-3,1]) color("blue")   Tile10();
   translate(demo_slop*[-3,0]) color("red")    Tile00();
   %Machine();
+  // Can also do this, to print reference sheet:
+  //  load this into openscad
+  //  select Ctrl-4 view, view all, scale appropriately
+  //  import sewing-table,Demo-flat.png
+  //  pngtopnm <sewing-table,Demo-flat.png | ppmbrighten -s -50 -v +100 >t.pnm
+  //  lpr t.pnm
 }
   
 //TestPiece1();