First prototype
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@ -5,8 +5,11 @@ tube_outer_diameter = 76;
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// Lid
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// Lid
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lid_height = 10;
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lid_height = 10;
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latch_width = 10;
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lid_depth = 7.5;
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latch_height = 4;
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latch_width = 20;
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latch_height = 5;
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brim_height = 2.5;
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groove_depth = 7.5;
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groove_depth = 7.5;
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groove_length = 50;
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groove_length = 50;
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@ -16,4 +19,4 @@ bumper_height = 15;
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bumper_diameter = 85;
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bumper_diameter = 85;
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// Flat surface starts after bumper_edge_radius from the outside
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// Flat surface starts after bumper_edge_radius from the outside
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bumper_edge_radius = bumper_diameter - tube_outer_diameter - 4;
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bumper_edge_radius = bumper_diameter - tube_outer_diameter - 4;
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bumper_tube_depth = 4;
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bumper_tube_depth = 5;
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27
lid.scad
27
lid.scad
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@ -1,15 +1,23 @@
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include <constants.scad>;
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include <constants.scad>;
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include <bayonetmount.scad>;
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include <bayonetmount.scad>;
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include <support.scad>;
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delta = 0.2;
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delta = 0.5;
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wall_thickness = 5;
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wall_thickness = 5;
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difference() {
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difference() {
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lid(tube_outer_diameter - delta * 2,
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union() {
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tube_inner_diameter - delta * 2,
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lid(tube_outer_diameter - delta * 2,
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latch_width - delta,
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tube_inner_diameter - delta * 2,
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latch_height - delta,
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latch_width - delta,
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lid_height);
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latch_height - delta,
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lid_height - delta);
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translate([0, 0, lid_height - brim_height / 2])
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cylinder(r = tube_outer_diameter / 2,
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h = brim_height,
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center = true);
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}
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hull() {
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hull() {
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pos = groove_length / 2 - groove_depth;
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pos = groove_length / 2 - groove_depth;
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@ -30,4 +38,11 @@ difference() {
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lid_height],
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lid_height],
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center = true);
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center = true);
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}
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}
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}
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translate([0, 0, lid_height /2]) {
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support(tube_outer_diameter, lid_height);
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support(tube_outer_diameter * 0.96, lid_height);
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support(tube_inner_diameter * 0.75, lid_height);
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}
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}
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@ -0,0 +1,12 @@
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module support(outer_diameter, height) {
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inner_diameter = outer_diameter - 0.5;
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difference() {
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cylinder(r = outer_diameter / 2,
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h = height,
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center=true);
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cylinder(r = inner_diameter / 2,
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h = height * 1.01,
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center = true);
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}
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}
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19
top.scad
19
top.scad
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@ -1,19 +1,6 @@
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include <constants.scad>;
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include <constants.scad>;
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include <bayonetmount.scad>;
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include <bayonetmount.scad>;
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include <support.scad>;
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module support(outer_diameter, height) {
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inner_diameter = outer_diameter - 0.5;
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difference() {
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cylinder(r = outer_diameter / 2,
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h = height,
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center=true);
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cylinder(r = inner_diameter / 2,
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h = height * 1.01,
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center = true);
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}
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}
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@ -26,7 +13,7 @@ difference() {
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sphere(r = bumper_edge_radius, center = true);
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sphere(r = bumper_edge_radius, center = true);
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}
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}
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translate([0, 0, bumper_height - lid_height])
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translate([0, 0, bumper_height - lid_depth])
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hole(tube_outer_diameter,
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hole(tube_outer_diameter,
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tube_inner_diameter,
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tube_inner_diameter,
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latch_width,
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latch_width,
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@ -49,5 +36,5 @@ difference() {
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translate([0, 0, bumper_tube_depth / 2])
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translate([0, 0, bumper_tube_depth / 2])
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support(tube_inner_diameter + 0.5, bumper_tube_depth);
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support(tube_inner_diameter + 0.5, bumper_tube_depth);
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translate([0, 0, bumper_height - lid_height + latch_height / 2])
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translate([0, 0, bumper_height - lid_depth + latch_height / 2])
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support(tube_inner_diameter + 0.5, latch_height);
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support(tube_inner_diameter + 0.5, latch_height);
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