poster-tube-lid: introduce top_middle_dr (instead of hardcoding 11)

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

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index bc2b74f2fdb643cdd799546e69fb5a827e3dc64e..79dc6ea8e7f278a6457e10bca6d51e110fca6c09 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -3,6 +3,7 @@
 main_dia = 71.2 + 0.50 - 2.26;
 top_minthick_middle = 4;
 top_minthick_by_oring = 2.5;
+top_middle_dr = 11;
 
 main_cnr = 4.0;
 
@@ -67,6 +68,8 @@ top_thick = max(top_minthick_middle,
 
 top_z = top_thick + seal_thick;
 
+middle_bot_z = top_z - top_minthick_middle;
+
 bayo_entry = bayo_behind / 3.0;
 bayo_top_z = bayo_behind + rivet_thick + bayo_above_gap;
 bayo_entry_ramp = bayo_entry + bayo_interf;
@@ -130,14 +133,15 @@ module MainProfile(){
          square([10,10]);
        }
       }
-      polygon([[ -11,                   seal_thick        ],
-              [ -11,                   top_z             ],
+      polygon([[ -top_middle_dr,        middle_bot_z      ],
+              [ -top_middle_dr,        top_z             ],
               [ main_cnr_pos[0],       top_z             ],
               [ side_thick,            main_cnr_pos[1]   ],
               [ side_thick,            -side_height      ],
               [ side_taper,            -side_height      ],
               [ 0,                     -rivet_posn       ],
               [ 0,                     seal_thick        ],
+              [ -oring_x_rad,          seal_thick        ],
               ],
              convexity=10);
     }
@@ -199,8 +203,8 @@ module Cover(){ ////toplevel
       rotate_extrude(convexity=10)
        translate([main_dia/2, 0])
        MainProfile();
-      translate([0,0, seal_thick])
-       cylinder(h= top_thick, r = main_dia/2 - 10);
+      translate([0,0, middle_bot_z])
+       cylinder(h= top_minthick_middle, r = main_dia/2 - top_middle_dr + 1);
     }
     for (r=[0,180])
       rotate([0,0, r])
@@ -209,7 +213,7 @@ module Cover(){ ////toplevel
     for (r=[0 : 60 : 179]) {
       rotate([0,0, r]) {
        height = top_thick - brace_above_below*2;
-       translate([0,0, seal_thick + brace_above_below + height/2 ])
+       translate([0,0, middle_bot_z + brace_above_below + height/2 ])
        cube(center=true, [ oring_bore - brace_end_shorter,
                            brace_hole_width, height ]);
       }