85 lines
2.7 KiB
OpenSCAD
85 lines
2.7 KiB
OpenSCAD
$fs = 0.1;
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$fa = 0.1;
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// A5 = 148
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page_size_width = 210; // [105, 148, 210]
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page_size_height = sqrt(2)*page_size_width;
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notebook_thickness = 3;
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hinge_radius = 10;
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hinge_hole_radius = 6;
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number_of_hinge_segments = 5;
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hinge_gap = 2;
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notebook_open_angle = 0; // [0:180]
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// notebook_open_angle = $t*180;
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cover_material_colour = [128/255, 165/255, 0];
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addtional_cover_material_colour = [255/255, 165/255, 0];
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hinge_colour_even = [255/255, 0, 0];
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hinge_colour_odd = [255/255, 0, 1];
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hinge_segments_length = (page_size_height - hinge_gap * (number_of_hinge_segments - 1)) / number_of_hinge_segments;
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hinge_offset = [-page_size_width/2-hinge_radius, page_size_height / 2 - hinge_segments_length / 2, hinge_radius - notebook_thickness/2];
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function ALTERNATE(i, thing_1, thing_2) = (thing_1*(i % 2) + thing_2*(-(i % 2)+1));
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echo(str("page size = ", page_size_height, "x", page_size_width, "mm"));
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translate([page_size_width/2+hinge_radius, 0, -hinge_radius+notebook_thickness/2])
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union(){
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color(cover_material_colour)
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cube(size=[page_size_width, page_size_height, notebook_thickness], center=true);
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color(addtional_cover_material_colour)
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translate([-page_size_width/2 - hinge_radius/2 , 0, 0])
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cube(size=[hinge_radius, page_size_height, notebook_thickness], center=true);
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translate(hinge_offset){
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for (i=[1:2:number_of_hinge_segments - 1]) {
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translate([0, -i*(hinge_segments_length+hinge_gap), 0])
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rotate([90, 0, 0])
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color(hinge_colour_odd)
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difference() {
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cylinder(r=hinge_radius, h=hinge_segments_length, center=true);
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cylinder(r=hinge_hole_radius, h=hinge_segments_length*2, center=true);
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}
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}
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}
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}
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rotate([0, -notebook_open_angle, 0])
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translate([page_size_width/2+hinge_radius, 0, -hinge_radius+notebook_thickness/2])
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union(){
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translate([0, 0, hinge_radius*2 - notebook_thickness]){
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color(cover_material_colour)
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cube(size=[page_size_width, page_size_height, notebook_thickness], center=true);
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color(addtional_cover_material_colour)
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translate([-page_size_width/2 - hinge_radius/2 , 0, 0])
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cube(size=[hinge_radius, page_size_height, notebook_thickness], center=true);
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}
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translate(hinge_offset){
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for (i=[0:2:number_of_hinge_segments - 1]) {
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translate([0, -i*(hinge_segments_length+hinge_gap), 0])
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rotate([90, 0, 0])
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color(hinge_colour_even)
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difference() {
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cylinder(r=hinge_radius, h=hinge_segments_length, center=true);
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cylinder(r=hinge_hole_radius, h=hinge_segments_length*2, center=true);
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}
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}
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}
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}
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