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Try making a stamp holder

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Artemis Tosini 2023-08-31 06:57:03 +00:00
parent 788b2d0e22
commit 00062153c1
Signed by: artemist
GPG key ID: EE5227935FE3FF18
4 changed files with 163 additions and 0 deletions
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1
cad/openscad/.gitignore vendored Normal file
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*.stl

56
cad/openscad/stamp_holder.scad Normal file
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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])
round_rect((wall_thickness+output_thickness)*2,size/2,[1,1,1,1]);
}
translate([0,0,wall_thickness]) difference() {
linear_extrude(height=internal_height) {
middle();
hull() {
translate([-size/2-output_thickness-wall_thickness/2,size/4-wall_thickness/2]) circle(wall_thickness/2);
translate([-size/2-output_thickness-wall_thickness/2,-size/4+wall_thickness/2]) circle(wall_thickness/2);
}
}
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]);
}
}
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]);
}
}
hull() {
translate([-size/2-output_thickness-wall_thickness/2,size/4-wall_thickness/2]) circle(wall_thickness/4);
translate([-size/2-output_thickness-wall_thickness/2,-size/4+wall_thickness/2]) circle(wall_thickness/4);
}
}

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cad/openscad/stamp_holder_common.scad Normal file
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wall_thickness = 1.5;
output_thickness = 1.5;
internal_height = 26;
center_radius = 10;
output_radius = 3;
size = 40;
$fn = 500;
total_length = size;
total_width = size + wall_thickness + output_thickness;
total_height = internal_height + wall_thickness * 3/2;
module round_rect(length, width, radii) {
points = [
[-length/2 + radii[0], -width/2 + radii[0]],
[ length/2 - radii[1], -width/2 + radii[1]],
[ length/2 - radii[2], width/2 - radii[2]],
[-length/2 + radii[3], width/2 - radii[3]]
];
hull() {
for(i = [0:3]) {
translate(points[i]) circle(r=radii[i]);
}
}
}
module ring(or, ir) {
difference() {
circle(or);
circle(ir);
}
}
module right_arc(or, ir) {
intersection() {
ring(or, ir);
square(or);
}
}
module common() {
difference() {
translate([0,(wall_thickness+output_thickness)/2])
round_rect(total_length, total_width, [5, 5, 15, 1]);
circle(center_radius - wall_thickness);
}
}

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cad/openscad/stamp_holder_top.scad Normal file
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include <stamp_holder_common.scad>
module finger() {
translate([center_radius-wall_thickness*2-0.25,0,0]) square([wall_thickness,internal_height*1/3]);
}
module hook() {
translate([center_radius-wall_thickness*2-0.25,0,0]) {
square([wall_thickness,internal_height*1/3+2]);
translate([wall_thickness,internal_height*1/3])
polygon([[0,-1],[1,0.5],[0,2]]);
}
}
linear_extrude(wall_thickness) {
difference() {
mirror([1,0,0]) {
translate([0,(wall_thickness+output_thickness)/2])
round_rect(total_length, total_width, [5, 5, 15, 1]);
translate([-size / 2, 0])
round_rect((wall_thickness+output_thickness)*2,size/2,[1,1,1,1]);
}
circle(center_radius-wall_thickness*2-0.25);
}
}
translate([0,0,wall_thickness]) linear_extrude(wall_thickness/2) {
difference() {
mirror([1,0,0]) {
translate([0,(wall_thickness+output_thickness)/2])
round_rect(total_length-wall_thickness-.5, total_width-wall_thickness-.5, [5, 5, 15, 1]);
difference() {
hull() {
translate([-size/2-output_thickness-wall_thickness/2,size/4-wall_thickness/2]) circle(wall_thickness/2);
translate([-size/2-output_thickness-wall_thickness/2,-size/4+wall_thickness/2]) circle(wall_thickness/2);
}
hull() {
translate([-size/2-output_thickness-wall_thickness/2,size/4-wall_thickness/2]) circle(wall_thickness*3/8);
translate([-size/2-output_thickness-wall_thickness/2,-size/4+wall_thickness/2]) circle(wall_thickness*3/8);
}
}
}
circle(center_radius-wall_thickness*2-0.25);
}
}
translate([0,0,wall_thickness*3/2]) linear_extrude(internal_height / 6) {
ring(center_radius-wall_thickness-0.25, center_radius-wall_thickness*2-0.25);
}
translate([0,0,wall_thickness*3/2+internal_height/6]) {
rotate([0,0,-25]) rotate_extrude(angle=50) hook();
rotate([0,0,35]) rotate_extrude(angle=110) finger();
rotate([0,0,155]) rotate_extrude(angle=50) hook();
rotate([0,0,215]) rotate_extrude(angle=110) finger();
}