72 lines
2.5 KiB
OpenSCAD
72 lines
2.5 KiB
OpenSCAD
$fn=180;
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ow=23; // outer width
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od=18; // outer depth
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oh=10; // outer height
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ep = 0.01;
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iw=17.4; // inner width
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id=12.5; // inner depth
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ih=7.6; // inner height
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sphMul = 4;
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difference() {
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translate([-ow/2, -od/2, 0]) union() {
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difference() {
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union() {
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cube([ow, od, oh]);
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}
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union() {
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color("SlateGray") union() {
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// right cut (+x)
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rotate([0, 15, 0]) translate([-8, -ep, 0]) cube([8, od + 2*ep, 2*oh]);
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// left cut (-x)
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translate([ow, -ep, 0]) rotate([0, -15, 0]) cube([8, od + 2*ep, 2*oh]);
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// front cut (-y)
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rotate([-20, 0, 0]) translate([-ep, -8, 0]) cube([ow + 2*ep, 8, 2*oh]);
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// back cut (+y)
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translate([-ep, od, 0]) rotate([5, 0, 0]) cube([ow + 2*ep, 8, 2*oh]);
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// top cut
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translate([ow/2, od/2 + 6, ow*sphMul + oh - 1.4]) sphere(r=ow*sphMul);
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}
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// inside recess
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color("SeaGreen") union() {
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translate([(ow - iw)/2, (od - id)/2 + 1, -ep]) cube([iw , id, ih + ep]);
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translate([(ow - iw)/2, (od - id)/2 + 1, ih]) rotate([0, 15, 0]) translate([0, 0, -ih-ep]) cube([2 , id, ih + ep]);
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translate([iw + (ow - iw)/2, (od - id)/2 + 1, ih]) rotate([0, -15, 0]) translate([-2, 0, -ih-ep]) cube([2 , id, ih + ep]);
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translate([(ow - iw)/2, (od - id)/2 + 1, ih]) rotate([-20, 0, 0]) translate([0, 0, -ih-ep]) cube([iw , 4, ih + ep]);
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}
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}
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}
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difference() {
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cw = 4.3; // cross width
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ct = 1.3; // cross thickness
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// inner cylinder
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color("DimGray") translate([ow/2, od/2, 1.4]) cylinder(d=5.3, h=ih - 1.4);
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// inner cross recess (post hole)
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color("MediumSeaGreen") translate([ow/2, od/2, 1-ep]) union() {
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translate([-(ct/2), -(cw/2), 0]) cube([ct, cw, ih - 2 + ep]);
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translate([-(cw/2), -(ct/2), 0]) cube([cw, ct, ih - 2 + ep]);
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}
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}
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}
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color("Gainsboro") union() {
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translate([-1.8, 0, 0]) rotate([0, 0, 45]) translate([0, od/2 + 2.8, oh-1]) rotate([45, 0, 0]) cube([8, 2, 8], center=true);
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translate([1.8, 0, 0]) rotate([0, 0, -45]) translate([0, od/2 + 2.8, oh-1]) rotate([45, 0, 0]) cube([8, 2, 8], center=true);
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translate([-1.8, 1, 0]) rotate([0, 0, 135]) translate([0, od/2 + 2.8, oh-1.8]) rotate([45, 0, 0]) cube([8, 2, 8], center=true);
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translate([1.8, 1, 0]) rotate([0, 0, -135]) translate([0, od/2 + 2.8, oh-1.8]) rotate([45, 0, 0]) cube([8, 2, 8], center=true);
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}
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}
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