poster-tube-lid: fix over_rivet_gap confusion

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

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 13a5a8b5b42b228d87c355bf4f99dd995b59aed2..8c53a57029912f94263669733793b771cd67b9bf 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -10,26 +10,82 @@ rivet_thick = 1.67;
 rivet_width = 4.15 + 1.0;
 rivet_tall = 5.51 + 0.49;
 
-over_rivet = 0.5;
+over_rivet_wall = 0.5;
+side_rivet_gap = 1.5;
 
 bayo_interf = 0.75;
 bayo_behind = 3.5;
+bayo_interf_width = 2.0;
+bayo_interf_slope = 0.75;
 
 seal_thick = 0.1;
 seal_recess = [ 2.0, 2.0 ]; // recess depth, recess height
 
 side_taper = 1.0;
 
+bayo_above_gap = 1.0;
+
+bayo_entry = bayo_behind/3;
+
 // calculated
 
-side_height = rivet_posn + bayo_behind;
-side_thick = rivet_tall + over_rivet;
+bayo_entry_x = bayo_entry;
+bayo_entry_z = bayo_entry;
+bayo_inramp_x = bayo_entry;
+bayo_inramp_z = bayo_entry;
+
+side_height = rivet_posn + bayo_behind + rivet_thick/2;
+side_thick = rivet_tall + over_rivet_wall;
 
 top_z = top_thick + seal_thick;
 
+bayo_entry = bayo_behind / 3.0;
+bayo_top_z = bayo_behind + rivet_thick + bayo_above_gap;
+bayo_entry_ramp = bayo_entry + bayo_interf;
+
+rivet_entry_width = rivet_width + side_rivet_gap;
+
 $fs=0.5;
 $fa=5;
 
+// bayonet definition
+
+bayo_a = [ bayo_entry_x, 0 ];
+bayo_p = [ 0, bayo_entry_z ];
+bayo_n = [ 0, bayo_behind-bayo_inramp_z ];
+bayo_m = [ bayo_inramp_x, bayo_behind ];
+bayo_l = bayo_m + bayo_interf * [ 1/bayo_interf_slope,  1 ];
+bayo_k = bayo_l + [ bayo_interf_width, 0 ];
+bayo_j = bayo_k + bayo_interf * [ 1/bayo_interf_slope, -1 ];
+bayo_i = bayo_j + [ rivet_width, 0 ];
+bayo_h = [ bayo_i[0], bayo_behind + rivet_thick + bayo_above_gap ];
+bayo_g = [ bayo_m[0] - rivet_width, bayo_h[1] ];
+
+bayo_e = [-bayo_p[0], bayo_p[1]] - [rivet_entry_width,0];
+bayo_d = [-bayo_a[0], bayo_a[1]] - [rivet_entry_width,0];
+bayo_c = bayo_d + [0,-5];
+bayo_b = bayo_a + [0,-5];
+
+bayo_f = [ bayo_e[0], bayo_g[1] + (bayo_e[0] - bayo_g[0]) ];
+
+bayo_polygon = [ bayo_a,
+                bayo_b,
+                bayo_c,
+                bayo_d,
+                bayo_e,
+                bayo_f,
+                bayo_g,
+                bayo_h,
+                bayo_i,
+                bayo_j,
+                bayo_k,
+                bayo_l,
+                bayo_m,
+                bayo_n,
+                bayo_p ];
+
+echo(bayo_polygon);
+
 module MainProfile(){
   main_cnr_pos = [ side_thick, top_z ] - [1,1]*main_cnr;
   translate(main_cnr_pos){
@@ -54,4 +110,14 @@ module MainProfile(){
           ]);
 }
 
-MainProfile();
+module BayonetCutout(){
+  polygon(bayo_polygon);
+}
+
+module ProfilesDemo(){
+  translate([-20,0]) MainProfile();
+  polygon(bayo_polygon);
+}
+
+//ProfilesDemo();
+BayonetCutout();