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Lomo screw #1

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sixteenmillimeter merged 20 commits from lomo_screw into master 2018-03-05 22:19:42 +00:00
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1 changed files with 26 additions and 27 deletions
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47
models/lomo_top_screw/lomo_top_screw.scad
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@ -1,47 +1,46 @@
t = 0; t = 0;
include <../../libraries/threads.scad>; include <../../libraries/threads.scad>;
include <../../libraries/Triangles.scad>;
D = 50; D = 50;
THICKNESS = 2.5; THICKNESS = 2.5;
H = 23; H = 23;
ROUND = 6; ROUND = 6;
HANDLE_D = 13.25;
NOTCHES = 17;
NOTCH = 1.5;
module lomo_top_screw () { module lomo_top_screw () {
difference () { difference () {
translate([0, 0, ROUND + 2.75]) minkowski () { translate([0, 0, ROUND + 2.75]) minkowski () {
cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = 100); cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200);
sphere(r = ROUND, center = true, $fn = 100); sphere(r = ROUND, center = true, $fn = 200);
} }
translate([0, 0, ROUND + 2.75 + THICKNESS]) minkowski () { translate([0, 0, ROUND + 2.75 + THICKNESS]) minkowski () {
cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 100); cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200);
sphere(r = ROUND, center = true, $fn = 100); sphere(r = ROUND, center = true, $fn = 200);
} }
translate([0, 0, H + ROUND - 0.4]) cylinder(r = (D / 2) + 1, h = H * 2, center = true); translate([0, 0, H + ROUND - 0.4]) cylinder(r = (D / 2) + 1, h = H * 2, center = true);
//CUT IN HALF //bevel
translate([200, 0, 0]) cube([400, 400, 400], center = true);
//reference cylinder
//color("red") translate([0, 0, -H / 4]) cylinder(r = (D / 2), h = H, center = true);
} }
/*
//spindle
translate([0, 0, 4]) cylinder(r1 = 12 / 2, r2 = 9 / 2, h = 40, center = true, $fn = 60);
//spindle top
translate([0, 0, 27]) difference () {
minkowski() {
cylinder(r = 5 / 2, h = 20, center = true, $fn = 60);
sphere(r = 2, center = true, $fn = 60);
}
for (i = [0: 5]) {
rotate([0, 0, i * (360 / 6)]) translate([4.7, 0, 0]) cylinder(r = 1, h = 30, center = true, $fn = 20);
}
}*/
//handle //handle
translate([0, 0, -14.5]) { translate([0, 0, -14.5]) {
difference() {
cylinder(r1 = 16/ 2, r2 = 13 / 2, h = 54.5, $fn = 100); cylinder(r1 = 16/ 2, r2 = 13 / 2, h = 54.5, $fn = 100);
for(i = [0 : NOTCHES]) {
rotate([0, 0, i * (360 / NOTCHES)]) {
translate([0, HANDLE_D / 2, 31 + 14.5]) {
rotate([1, 0, 0]) rotate([0, 0, 45]) {
Right_Angled_Triangle(a = NOTCH, b = NOTCH, height = 20, centerXYZ=[true, true, true]);
} }
}
}
}
}
}
//screw //screw
translate([0, 0, -36]) metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21); translate([0, 0, -36]) metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21);
} }
//import("./lomo_part_half.stl");
//rotate([0, 0, t]) lomo_top_screw(); rotate([0, 0, t]) lomo_top_screw();
metric_thread (diameter=13.6, pitch=1.5,thread_size = 1.6, length = 21);