Semifinal version of mark II

Makefile

@@ -1,4 +1,4 @@
-all: top.stl lid.stl
+all: top.stl lid.stl bottom.stl
 
-%.stl: %.scad constants.scad bayonetmount.scad
+%.stl: %.scad constants.scad bayonetmount.scad support.scad handle.scad
 	openscad -o $@ $<

bottom.scad

@@ -0,0 +1,28 @@
+include <constants.scad>;
+
+
+
+
+difference() {
+	translate([0, 0, bumper_height / 2])
+		minkowski() {
+			radius = bumper_diameter / 2 - bumper_edge_radius;
+			height = bumper_height - 2 * bumper_edge_radius;
+			cylinder(r = radius, h = height, center = true);
+			sphere(r = bumper_edge_radius, center = true);
+		}
+		
+
+	translate([0, 0, lid_height / 2])
+		cylinder(r = tube_inner_diameter / 2,
+					h = lid_height, 
+					center = true);
+	
+		
+	translate([0, 0, bumper_tube_depth / 2])
+		cylinder(r = tube_outer_diameter / 2,
+					h = bumper_tube_depth, 
+					center = true);
+}
+
+

constants.scad

@@ -1,4 +1,4 @@
-$fn = 180;
+$fn = 90;
 
 tube_inner_diameter = 71;
 tube_outer_diameter = 76;
@@ -10,9 +10,13 @@ latch_width = 20;
 latch_height = 5;
 brim_height = 2.5;
 
+handle_length = 75;
+handle_thickness = 10;
+handle_height = 15;
+handle_max_width = 30;
+handle_min_width = 10;
+handle_minkowski_dia = 5;
 
-groove_depth = 7.5;
-groove_length = 50;
 
 // Top
 bumper_height = 15;
@@ -22,9 +26,4 @@ bumper_edge_radius = bumper_diameter - tube_outer_diameter - 4;
 bumper_tube_depth = 5;
 
 
-handle_length = 70;
-handle_thickness = 10;
-handle_height = 15;
-handle_max_width = 30;
-handle_min_width = 10;
-handle_minkowski_dia = 5;
+

handle.scad

@@ -1,14 +1,10 @@
-//$fn = 90;
-
 include <constants.scad>;
 
-
-
 module handle() {
-    center_offset = (handle_length / 2) 
+    center_offset = (handle_length / 2)
                     - handle_height;
 
-    // Doesn't make much sense but gives nice proportions                
+    // Doesn't make much sense but gives nice proportions
     handle_bevel_radius = 2 * handle_length - handle_min_width;
 
     rotate([-90, 0, 0])
@@ -22,12 +18,12 @@ module handle() {
                                 h = handle_max_width,
                                 center = true);
                     translate([0, handle_height, 0])
-                        cube([handle_length, 
+                        cube([handle_length,
                                 handle_length,
                                 handle_max_width
-                            ], 
+                            ],
                             center = true);
-                    
+
                     for(z = [-handle_length, handle_length])
                     translate([0, -center_offset, z])
                         rotate([90,0,0])
@@ -35,9 +31,7 @@ module handle() {
                                         h =handle_max_width);
 
                 }
-                
+
             sphere(d = handle_minkowski_dia, center = true);
         }
 }
-
-handle();

lid.scad

@@ -1,48 +1,31 @@
 include <constants.scad>;
 include <bayonetmount.scad>;
+include <handle.scad>;
 include <support.scad>;
 
-delta = 0.5;
-wall_thickness = 5;
+delta = 0.75;
+
 
 difference() {
 	union() {
-		lid(tube_outer_diameter - delta * 2, 
+		lid(tube_outer_diameter - delta * 2,
 			tube_inner_diameter - delta * 2,
 			latch_width - delta,
 			latch_height - delta,
 			lid_height - delta);
-		
+
+		translate([0, 0, lid_height])
+			handle();
+
 		translate([0, 0, lid_height - brim_height / 2])
-		cylinder(r = tube_outer_diameter / 2, 
+		cylinder(r = tube_outer_diameter / 2,
 					h = brim_height,
 					center = true);
 	}
-	
-	hull() {
-			pos = groove_length / 2 - groove_depth;
-			for(x = [-pos, pos])
-				translate([x, 0, lid_height])
-					sphere(r = groove_depth, center = true);
-	}
-	
-	difference() {
-		translate([0, 0, (lid_height - wall_thickness) / 2])
-			cylinder(r = (tube_inner_diameter - wall_thickness) / 2, 
-						h = lid_height - wall_thickness,
-						center = true);
-		
-		translate([0, 0, lid_height / 2])
-			cube([tube_outer_diameter, 
-					groove_depth * 2, 
-					lid_height],
-					center = true);
-	}
 }
 
+
 translate([0, 0, lid_height /2]) {
 	support(tube_outer_diameter, lid_height);
 	support(tube_outer_diameter * 0.96, lid_height);
-	
-	support(tube_inner_diameter * 0.75, lid_height);
-}
+}