poster-tube-lid: catch wip, CatchPostDistort PoC

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

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 4d4f01a5b5a5eb846972b8b6d7aed0cb7648ff3e..35c73c8bd58a44121f02003853fee6bbf433bd59 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
 
@@ -139,10 +140,12 @@ 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;
 
 cppy6 = -catch_strap_width/2;
+cppxC = 0.34 * sm_inner_rad * TAU;
 cppB = [ catch_pin_width/2,
         cppy6
         + catch_stem_below_gap
@@ -152,6 +155,7 @@ 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 +171,8 @@ 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] ];
 
@@ -522,21 +526,18 @@ 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 +563,13 @@ module CatchCoreProfile(){ ////toplevel
   }
 }
 
+module CatchPreDistort(){ /////toplevel
+  scale(100 / sm_inner_rad)
+    rotate([90,0,0])
+    linear_extrude(height=catch_strap_thick, convexity=10)
+    CatchCoreProfile();
+}
+
 //ProfilesDemo();
 //BayonetCutout();
 //MainProfile();