distort-stl: debugging

[reprap-play.git] / poster-tube-lid.scad

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 4d4f01a5b5a5eb846972b8b6d7aed0cb7648ff3e..2e11f7949079ddf22289ab82dfc780bf4f0db240 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -86,6 +86,7 @@ catch_pin_height = 7;
 catch_stem_below_gap = 1.0;
 catch_stem_beside_gap = 2.0;
 catch_pin_gap = 0.5;
+catch_hook_slope = 0.15;
 
 // calculated
 
@@ -116,6 +117,9 @@ middle_bot_z = top_z - top_thick_middle;
 bayo_entry = bayo_behind / 3.0;
 bayo_top_z = bayo_behind + bayo_gap;
 
+bayo_nom_rad = main_dia/2 + side_thick;
+bayo_real_rad = main_dia/2 + rivet_tall;
+
 rivet_entry_width = rivet_width + side_rivet_gap;
 
 jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
@@ -139,10 +143,15 @@ smc_cnr_c_x = sm_bolt_shaft/2 - sm_closure_cnr
 
 catch_cr = catch_knob_dia/2 + catch_stem_beside_gap;
 catch_strap_width = sm_main_width;
+catch_strap_thick = sm_main_thick;
 catch_stem_end_h = catch_stem_h;
-catch_pin_width = rivet_entry_width - catch_pin_gap;
+catch_pin_width = (rivet_entry_width * sm_inner_rad / bayo_nom_rad)
+                  - catch_pin_gap;
+
+echo("R ", sm_inner_rad, bayo_real_rad, bayo_nom_rad);
 
 cppy6 = -catch_strap_width/2;
+cppxC = 0.34 * sm_inner_rad * TAU;
 cppB = [ catch_pin_width/2,
         cppy6
         + catch_stem_below_gap
@@ -152,6 +161,7 @@ cpp0 = [ 0,
         cppB[1]
         + catch_knob_dia
         + catch_knob_above_gap ];
+cpp12 = cpp0 + [1,0] * (catch_pin_height * catch_hook_slope);
 cpp1 = cpp0 + [0,1] * catch_pin_height;
 cpp2 = cpp1 + [1,0] * catch_pin_width;
 cpp4 = cpp0 + [0,-1] * catch_stem_end_h;
@@ -167,8 +177,8 @@ cpp11 = cpp7 + [1,0] * catch_cr;
 cpp10 = [ cpp11[0], 0 - catch_cr ];
 cpp8 = cpp10 + [1,0] * catch_cr;
 cpp9 = cpp8 + [0,1] * catch_cr;
-cppC = cpp8 + [1,1] * catch_cr;
-cppA = [ cpp5[0] - catch_cr, 0 ];
+cppC = [ cppxC, cpp9[1] ];
+cppA = [ -cppxC, 0 ];
 cppD = cppC + [0,-1] * catch_strap_width;
 cppE = [ cppA[0], cppD[1] ];
 
@@ -314,8 +324,8 @@ module RotateProject(x_min, x_max, slice_size, nom_rad, real_rad){
 
 module BayonetCutout(){
   RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
-               main_dia/2 + side_thick, 
-               main_dia/2 + rivet_tall)
+               bayo_nom_rad, 
+               bayo_real_rad)
     translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
     polygon(bayo_polygon, convexity=10);
 }
@@ -454,6 +464,26 @@ module ImplHeadCupTest(){ ////toplevel
       ImplHeadCup();
 }
 
+module SomeStrap(){
+  // children(0) is to add, (1) subtract
+  difference(){
+    union(){
+      cylinder(r=sm_outer_rad, h=sm_main_width);
+      StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
+                          smc_max_y,
+                          sm_closure_cnr);
+      children(0);
+    }
+    translate([0,0,-1])
+      cylinder(r=sm_inner_rad, h=sm_main_width+2);
+    translate(smc_pos)
+      StrapMountBolt(10);
+    translate(smc_pos)
+      cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+    children(1);
+  }
+}
+
 module StrapMountBolt(l_delta){ ///toplevel
   // positioned relative to smc_pos
   translate([(smc_bolt_nut_eff_thick - sm_bolt_head_thick)/2,
@@ -488,28 +518,17 @@ module StrapMountProtrusion(half_x, max_y, cnr){
 }
 
 module StrapMount(){ ////toplevel
-  difference(){
-    union(){
-      cylinder(r=sm_outer_rad, h=sm_main_width);
-      StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
-                          smc_max_y,
+  SomeStrap(){
+    rotate([0,0,180]){
+      StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
+                          strap_hoop_thick,
                           sm_closure_cnr);
-      rotate([0,0,180]){
-       StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
-                            strap_hoop_thick,
-                            sm_closure_cnr);
-       translate(smc_pos +
-                 [0,0, sm_main_width] +
-                 strap_hoop_thick * [ 0, 0.5, -1.0 ])
-         StrapHoop();
-      }
+      translate(smc_pos +
+               [0,0, sm_main_width] +
+               strap_hoop_thick * [ 0, 0.5, -1.0 ])
+       StrapHoop();
     }
-    translate([0,0,-1])
-      cylinder(r=sm_inner_rad, h=sm_main_width+2);
-    translate(smc_pos)
-      StrapMountBolt(10);
-    translate(smc_pos)
-      cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+    union(){ };
   }
 }
 
@@ -522,21 +541,18 @@ module CatchCoreProfile(){ ////toplevel
   }
   translate(cpp8)
     circle(catch_cr);
-  translate(cpp0)
-    rotate(10)
-    translate(-cpp0)
-    polygon([
-            cpp4,
-            cppB,
-            cpp3,
-            cpp2,
-            cpp1,
-            cpp0
-            ]);
+  polygon([
+          cpp4,
+          cppB,
+          cpp3,
+          cpp2,
+          cpp1,
+          cpp12,
+          ]);
   difference(){
     polygon([ cpp4,
              cpp3,
-             cpp0,
+             cpp12,
              cppA,
              cppE,
              cppD,
@@ -562,6 +578,71 @@ module CatchCoreProfile(){ ////toplevel
   }
 }
 
+module CatchPreDistort(){ /////toplevel
+  scale(100 / sm_inner_rad)
+    rotate([90,0,0])
+    linear_extrude(height=catch_strap_thick, convexity=10)
+    CatchCoreProfile();
+}
+
+module CatchAssembly(){ /////toplevel
+  rotate([0,0, -0.5 * (cpp1[0] + cpp2[0]) / sm_inner_rad * 360/TAU])
+    translate([0,0, catch_strap_width])
+    scale(sm_inner_rad / 100)
+    import(str("poster-tube-lid,CatchPostDistort-fa",
+              (coarse ? 20 : 1),
+              ".stl"),
+          convexity=20);
+
+  SomeStrap(){
+    union(){ }
+    union(){
+      translate([-200, -200, -200])
+       cube([400, 200, 400]);
+    }
+  }
+}
+
+module CatchDemo(){ /////toplevel
+  color("blue") translate([0,0,
+            -catch_strap_width
+            -cpp0[1]
+            ])
+    CatchAssembly();
+  translate([0,0,+side_height
+            ])
+    Cover();
+}
+
+module CatchDemoS(){ /////toplevel
+  color("blue") translate([0,0,
+            -catch_strap_width
+            -cpp0[1]
+            ])
+    CatchAssembly();
+  intersection(){
+    translate([0,0,+side_height
+              ])
+      Cover();
+    mirror([0,1,0]) translate([-250,33,0]) cube([500,500,500]);
+  }
+  color("black")
+    translate([0,-33,0])
+    cube([6.15, 2,2], center=true);
+}
+
+module CatchPinProfileDemo(){ /////toplevel
+  echo("G ",
+       cpp2[0] - cpp1[0],
+       bayo_n[0] - bayo_e[0]);
+  color("blue") translate([-cpp2[0],
+                          -cpp2[1],
+                          +1,
+            ])
+    CatchCoreProfile();
+  polygon(bayo_polygon, convexity=10);
+}
+
 //ProfilesDemo();
 //BayonetCutout();
 //MainProfile();