sixteenmillimeter-tools/models/lomo_bottom_screw/lomo_bottom_screw.scad

61 lines
1.8 KiB
OpenSCAD

t = 0;
include <../../libraries/threads.scad>;
FINE = 60;
module base () {
$fn = FINE;
BUMP = 2;
BUMPS = 6;
TOP_H = 9.5;
union() {
translate([0, 0, -15])cylinder(r = 8.45, h = 20, center = true);
//hex top
//translate([0, 0, -24.5])cylinder(r = 11.1, h = 9.5, center = true, $fn = 6);
translate([0, 0, -24.5]) cylinder(r = 19 / 2, h = TOP_H, center = true);
for (i = [0 : BUMPS]) {
rotate([0, 0, (360 / BUMPS) * i]) translate([0, 8.9, -24.5]) cylinder(r = BUMP, h = TOP_H, center = true, $fn = 60);
}
}
}
module lomo_bottom_screw () {
difference () {
base();
//negative cylinder (reference)
//translate([0, 0, -20]) cylinder(r = 13.6 / 2, h = 20, center = true, $fn = 100);
//negative plug (reference)
//translate([0, 0, -20]) cylinder(r = 12 / 2, h = 20, center = true, $fn = FINE);
translate([0, 0, -30]) metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 20);
}
difference () {
//outer screw
//translate([0, 0, -7.1]) metric_thread (diameter=10, pitch=1.5, length=27.1);
//taper top of screw
translate([0, 0, 19]) difference() {
cylinder(r = 8, h = 3.5, center = true, $fn = FINE);
cylinder(r1 = 6, r2 = 3, h = 4.5, center = true, $fn = FINE);
}
//hollow center
cylinder(r = 3.8 / 2, h = 100, center = true, $fn = 60);
}
}
difference() {
//color("green")
//center
translate([0, 0, 29]) lomo_bottom_screw();
translate([-25, 0, 29]) cube([50, 50, 100], center = true);
}
//translate([0, 0, 7]) cylinder(r = 13.6 / 2, h = 20, center = true, $fn = 100);
translate([0, 0, -20]) rotate([0, 0, t]) difference() {
//translate([-100, 0, 0])cube([200, 200, 200], center = true);
}