play/cad/openscad/stamp_holder.scad

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OpenSCAD
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include <stamp_holder_common.scad>
module middle() {
difference() {
common();
ring(size/2-wall_thickness,center_radius);
translate([-size/2, size/2-output_radius]) difference() {
square(output_radius);
translate([output_radius,0]) circle(output_radius);
}
translate([-size/2, size/2])
square([size-15,output_thickness]);
translate([size/2-15,total_width-size/2-15])
right_arc(15-wall_thickness, 15-wall_thickness-output_thickness);
translate([size/2-output_thickness-wall_thickness,0])
square([output_thickness,total_width-size/2-15]);
}
}
linear_extrude(height=wall_thickness) {
common();
translate([-size / 2, 0])
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round_rect((wall_thickness*3/2+output_thickness)*2,size/2+wall_thickness/2,[1,1,1,1]);
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}
translate([0,0,wall_thickness]) difference() {
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linear_extrude(height=internal_height) middle();
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translate([0,0,internal_height*1/2]) {
rotate([0,0,-30]) rotate_extrude(angle=60) square([center_radius-1,1]);
rotate([0,0,150]) rotate_extrude(angle=60) square([center_radius-1,1]);
}
}
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translate([0,0,wall_thickness]) linear_extrude(height=internal_height+wall_thickness) hull() {
translate([-size/2-output_thickness-wall_thickness/2,size/4-wall_thickness/2]) circle(wall_thickness/2);
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translate([-size/2-output_thickness-wall_thickness/2,-size/4+wall_thickness/2]) mirror([1,0,0]) circle(wall_thickness/2, $fn=3);
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}
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translate([0,0,wall_thickness+internal_height]) linear_extrude(height=wall_thickness/2) {
intersection() {
middle();
translate([0,(wall_thickness+output_thickness)/2]) difference() {
round_rect(total_length, total_width, [5, 5, 15, 1]);
round_rect(total_length-wall_thickness, total_width-wall_thickness, [5 - wall_thickness/2, 5-wall_thickness/2, 15-wall_thickness/2, 1-wall_thickness/2]);
}
}
}