45 lines
1.4 KiB
OpenSCAD
45 lines
1.4 KiB
OpenSCAD
include <./common.scad>;
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RAIL_SPACING = 100;
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RAIL_H = 70;
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RAIL_LEN = 400;
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RAIL_D=25.4;
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module rail (H = 100) {
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cylinder(r = R(RAIL_D), h = H, center = true, $fn = 60);
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}
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module rails () {
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translate([RAIL_SPACING/2, 0, RAIL_H]) rotate([90, 0, 0]) rail(RAIL_LEN);
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translate([-RAIL_SPACING/2, 0, RAIL_H]) rotate([90, 0, 0]) rail(RAIL_LEN);
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}
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module end () {
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L = 50;
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T = 20;
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translate ([0, -L / 2, 0]) {
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difference () {
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union () {
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translate([RAIL_SPACING/2, 0, RAIL_H]) rotate([90, 0, 0]) {
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cylinder(r = R(35), h = L, center = true, $fn = 60);
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}
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translate([-RAIL_SPACING/2, 0, RAIL_H]) rotate([90, 0, 0]) {
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cylinder(r = R(35), h = L, center = true, $fn = 60);
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}
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translate([0, 0, RAIL_H + (35 / 2) - (T / 2)]) cube([RAIL_SPACING, L, T], center = true);
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translate([RAIL_SPACING/2 - (5 / 2), 5, RAIL_H / 2]) cube([40, 40, RAIL_H], center = true);
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translate([-RAIL_SPACING/2 + (5 / 2), 5, RAIL_H / 2]) cube([40, 40, RAIL_H], center = true);
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}
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translate([RAIL_SPACING/2, 0, RAIL_H]) rotate([90, 0, 0]) {
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rail(L + 1);
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}
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translate([-RAIL_SPACING/2, 0, RAIL_H]) rotate([90, 0, 0]) {
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rail(L + 1);
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}
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}
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}
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}
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color("blue") rails();
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translate([0, RAIL_LEN / 2, 0]) end(); |