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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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2 changed files with 33 additions and 36 deletions
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24
models/lomo_bottom_screw/lomo_bottom_screw.scad
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@ -3,39 +3,35 @@ include <../../libraries/threads.scad>;
module base () { module base () {
$fn = 100; $fn = 100;
NUBS = 6;
union() { union() {
translate([0, 0, -15])cylinder(r = 8.45, h = 20, center = true); translate([0, 0, -15])cylinder(r = 8.45, h = 20, center = true);
//hex version
//translate([0, 0, -24.5])cylinder(r = 11.1, h = 9.5, center = true, $fn = 6); //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 = 9.5, center = true); translate([0, 0, -24.5]) cylinder(r = 19 / 2, h = 9.5, center = true);
for (i = [1 : 6]) {
rotate([0, 0, i * (360 / NUBS)]) translate([0, 19 / 2, -24.5]) cylinder(r = 3.2 / 2, h = 9.5, center = true);
}
} }
} }
module lomo_bottom_screw () { module lomo_bottom_screw () {
base(); //base();
difference () { difference () {
//outer screw //outer screw
translate([0, 0, -7.1]) metric_thread (diameter=10, pitch=1.5,thread_size = 1.6, length=27.1); translate([0, 0, -7.1]) metric_thread (diameter=10, pitch=1.5, length=27.1);
//taper top of screw //taper top of screw
translate([0, 0, 19]) difference() { translate([0, 0, 19]) difference() {
cylinder(r = 8, h = 3.5, center = true, $fn = 100); cylinder(r = 8, h = 3.5, center = true, $fn = 100);
cylinder(r1 = 6, r2 = 3, h = 4.5, center = true, $fn = 100); cylinder(r1 = 6, r2 = 3, h = 4.5, center = true, $fn = 100);
} }
//hollow center //hollow center
cylinder(r = 1.85, h = 100, center = true, $fn = 60); cylinder(r = 3.8 / 2, h = 100, center = true, $fn = 60);
} }
} }
difference() { difference() {
//color("green") //color("green")
//translate([37, -3.5, 0]) import("./lomo_part_fixed.stl"); //center
import("./lomo_part_half.stl"); //cylinder(r = 3 / 2, h = 100, center = true, $fn = 30);
//translate([200, 0, 0]) cube([400, 400, 400], center = true); translate([37, -3.25, 0]) import("./lomo_part_fixed.stl");
translate([200, 0, 0]) cube([400, 400, 400], center = true);
} }
translate([0, -0.25, -0.05]) rotate([0, 0, t]) difference() { rotate([0, 0, t]) difference() {
//color("green") lomo_bottom_screw(); lomo_bottom_screw();
//translate([-20, 0, 0])cube([40, 40, 200], center = true); translate([-100, 0, 0])cube([200, 200, 200], center = true);
} }

37
models/lomo_top_screw/lomo_top_screw.scad
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@ -1,16 +1,11 @@
t = 0; t = 0;
include <../../libraries/threads.scad>; include <../../libraries/threads.scad>;
D = 50; D = 50;
THICKNESS = 2.5; THICKNESS = 2.5;
H = 23; H = 23;
ROUND = 6; ROUND = 6;
module handle () {
cylinder(r1 = 16 / 2, r2 = 12.6 / 2, h = 54.2, center = true, $fn = 100);
}
module lomo_top_screw () { module lomo_top_screw () {
difference () { difference () {
translate([0, 0, ROUND + 2.75]) minkowski () { translate([0, 0, ROUND + 2.75]) minkowski () {
@ -23,23 +18,29 @@ module lomo_top_screw () {
} }
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 //CUT IN HALF
//translate([200, 0, 0]) cube([400, 400, 400], center = true); translate([200, 0, 0]) cube([400, 400, 400], center = true);
//reference cylinder //reference cylinder
//color("red") translate([0, 0, -H / 4]) cylinder(r = (D / 2), h = H, center = true); //color("red") translate([0, 0, -H / 4]) cylinder(r = (D / 2), h = H, center = true);
//hole
translate([20, 0, -20]) cylinder(r = 3 / 2, h = 20, center = true, $fn = 60);
} }
/*
//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, 12]) handle(); translate([0, 0, -14.5]) {
cylinder(r1 = 16/ 2, r2 = 13 / 2, h = 54.5, $fn = 100);
}
//screw //screw
translate([0, 0, -37]) { translate([0, 0, -36]) metric_thread (diameter=13.8, pitch=1.5, length=20.5);
translate([0, 0, 1] ) metric_thread (diameter=13.8, pitch=1.5,thread_size = 1.6, length = 21);
translate([0, 0, 21.5 / 2]) cylinder(r = 12.2 / 2, h = 21.5, center = true, $fn = 100);
} }
} rotate([0, 0, t]) lomo_top_screw();
//translate([0, 0, -45]) rotate([0, 180, 0]) import("../lomo_bottom_screw/lomo_part_half.stl");
//rotate([0, 0, t]) lomo_top_screw();
metric_thread (diameter=13.8, pitch=1.5,thread_size = 1.6, length = 21);