X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=poster-tube-lid.scad;h=10b2bc778830f61da19d2288fe4eeb03262d61a3;hb=1a0fa724333f9e1f96155f9695d9a50497958a9a;hp=515a451d5ed2c56436ed24f6ee2ba7f1b75015eb;hpb=35bf5ac81a5d335e7334e49b274b0fab457fa52d;p=reprap-play.git

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 515a451..10b2bc7 100644
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -30,6 +30,7 @@ oring_bore = 62.0;
 
 oring_upper_embed_angle = 80;
 oring_compress = 0.1; // proportion
+oring_compress_more = 0.2;
 
 oring_rm_beside = 8;
 oring_rm_scale = 2.0;
@@ -57,11 +58,11 @@ strap_hoop_inside = 10;
 strap_hoop_strlen = 10;
 strap_hoop_elevation = 45;
 
-sm_inner_circum = 239;
-sm_main_thick = 2.5;
-sm_main_width = 25;
+sm_inner_circum = 218 - 1.90 - 1.00 - 0.50;
+sm_main_thick = 2.0;
+sm_main_width = 20;
 
-sm_bolt_dia = 3.5;
+sm_bolt_dia = 3.5 + 0.1;
 sm_bolt_shaft = 21.9;
 sm_bolt_head_dia = 6.94 + 1.0;
 sm_bolt_head_thick = 2.14;
@@ -69,7 +70,7 @@ sm_bolt_nut_width = 5.89 + 0.25;
 sm_bolt_nut_thick = 3.68;
 sm_bolt_tighten_allow = 2.0;
 
-sm_bolt_y_clear = 0.5;
+sm_bolt_y_clear = 0.75;
 sm_bolt_y_over = 0.5;
 
 sm_closure_cnr = 3.0;
@@ -193,9 +194,9 @@ module MainProfile(){
     translate([ oring_mid_dia/2 - main_dia/2, 0 ])
       hull(){
       translate([ 0, oring_y_rad ])
-	scale([ 1/oring_oblate, oring_oblate ])
+	scale([ 1/oring_oblate * (oring_compress_more+1) , oring_oblate ])
 	circle(oring_thick/2);
-      translate([ 0, oring_y_rad*2 - oring_thick/2 ])
+      #translate([ 0, oring_y_rad*2 - oring_thick/2 ])
 	circle(oring_thick/2);
     }
   }
@@ -435,6 +436,15 @@ module StrapMount(){ ////toplevel
       StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
 			   smc_max_y,
 			   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([0,0,-1])
       cylinder(r=sm_inner_rad, h=sm_main_width+2);