70 lines
2 KiB
OpenSCAD
70 lines
2 KiB
OpenSCAD
/**
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# Parameters
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*/
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$box_inner_width = 10;
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$box_inner_depth = 20;
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$box_inner_height = 15;
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$box_wall_thickness = 4;
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// [0, 1] Higher the ratio, the bigger the bottom will be.
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$box_bottom_top_height_fraction = 0.2;
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// [0, 1] The amount the bottom and top will overlap.
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$overlap_fraction = 0.8;
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// [0, 1] The thickness of the overlap as a fraction of the wall thickness.
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$overlap_thickness_fraction = 0.5;
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/**
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# Code
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*/
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include <Thread_Library.scad>;
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$box_outer_width = $box_inner_width + $box_wall_thickness * 2;
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$box_outer_depth = $box_inner_depth + $box_wall_thickness * 2;
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$box_outer_height = $box_inner_height + $box_wall_thickness * 2;
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$bottom_height = $box_inner_height * $box_bottom_top_height_fraction;
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$top_height = $box_inner_height * (1 - $box_bottom_top_height_fraction);
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$overlap_height = $box_inner_height * $overlap_fraction;
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$overlap_thickness = $box_wall_thickness * $overlap_thickness_fraction;
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bottom();
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top();
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module top() {
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translate([-1 * $box_inner_width - $box_wall_thickness * 2 - 10, 0, 0])
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difference() {
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box_half($box_inner_width, $box_inner_depth, $top_height, $box_wall_thickness);
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translate([-0.002, -0.002, 0])
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scale([1.001, 1.001, 1.001])
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translate([0, 0, $top_height + $bottom_height + $box_wall_thickness * 2])
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color("red")
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mirror([0, 0, 1])
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bottom();
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};
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}
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module bottom() {
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union() {
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box_half($box_inner_width, $box_inner_depth, $bottom_height, $box_wall_thickness);
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box_half($box_inner_width + $box_wall_thickness, $box_inner_depth + $box_wall_thickness, $overlap_height + $box_wall_thickness, $overlap_thickness);
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};
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};
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module box_half($width, $depth, $height, $wall_thickness) {
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difference() {
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cube([
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$width + $wall_thickness * 2,
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$depth + $wall_thickness * 2,
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$height + $wall_thickness
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]);
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translate([$wall_thickness, $wall_thickness, $wall_thickness])
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cube([$width, $depth, $height + 0.1]);
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};
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};
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