mcopy/scad/jk_rails.scad

45 lines
1.4 KiB
OpenSCAD

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