From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 10 Oct 2017 21:56:01 +0000 (+0100)
Subject: poster-tube-lid: oring rm
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=db426f841424a4a47e89769826bad0b62e71d5b2

poster-tube-lid: oring rm
---

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 64de31b..5f71681 100644
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -28,6 +28,10 @@ oring_bore = 62.0;
 oring_upper_embed_angle = 80;
 oring_compress = 0.05; // proportion
 
+oring_rm_beside = 10;
+oring_rm_scale = 2.0;
+oring_rm_angle = 20;
+
 side_taper = 1.0;
 
 bayo_above_gap = 1.0;
@@ -205,10 +209,18 @@ module Cover(){ ////toplevel
       translate([0,0, middle_bot_z])
 	cylinder(h= top_thick_middle, r = main_dia/2 - top_middle_dr + 1);
     }
-    for (r=[0,180])
+    for (r=[0,180]){
       rotate([0,0, r])
 	translate([0,0, -side_height])
 	BayonetCutout();
+      rotate([0,0, r + asin((-bayo_d[0] + oring_rm_beside) / (main_dia/2))])
+	translate([0,
+		   oring_mid_dia/2 + oring_thick/4 * oring_rm_scale,
+		   oring_y_rad * 1.5])
+	rotate([-oring_rm_angle, 0, 0])
+	mirror([0,0,1])
+	cylinder(r = oring_thick/4 * oring_rm_scale, h=20);
+    }
     for (r=[0 : 60 : 179]) {
       rotate([0,0, r]) {
 	height = top_thick_middle - brace_above_below*2;