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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 34 additions and 20 deletions
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54
models/lomo_spindle_top/lomo_spindle_top.scad
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@ -6,37 +6,44 @@ D = 50;
THICKNESS = 2.5; THICKNESS = 2.5;
H = 19.5; H = 19.5;
ROUND = 8; ROUND = 8;
HANDLE_D = 13.25; HANDLE_D = 13.25;
HANDLE_BASE = 16;
HANDLE_TOP = 13;
HANDLE_H = 54.5;
NOTCHES = 17; NOTCHES = 17;
NOTCH = 1.5; NOTCH = 1.5;
FINE = 200; FINE = 200;
module lomo_top_screw () { module lomo_spindle_top () {
difference () { difference () {
//cup
translate([0, 0, ROUND - 2]) minkowski () { translate([0, 0, ROUND - 2]) minkowski () {
cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = FINE); cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = FINE);
sphere(r = ROUND, center = true, $fn = FINE); sphere(r = ROUND, center = true, $fn = FINE);
} }
translate([0, 0, ROUND - 2+ THICKNESS]) minkowski () { translate([0, 0, ROUND - 2 + THICKNESS]) minkowski () {
cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200); cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200);
sphere(r = ROUND, center = true, $fn = FINE); sphere(r = ROUND, center = true, $fn = FINE);
} }
translate([0, 0, H + ROUND - 4 - 3]) cylinder(r = (D / 2) + 1, h = H * 2, center = true); //hollow out cup
//half translate([0, 0, H + ROUND - 4 - 3]) {
//translate([45, 0, 0]) cube([90, 90, 90], center = true); cylinder(r = (D / 2) + 1, h = H * 2, center = true);
//} }
//cup bevel //inner cup bevel
//inner bevel translate([0, 0, (H / 2) - ROUND - 1]) {
translate([0, 0, (H / 2) - ROUND - 1]) cylinder(r1 = (D / 2) - 2.5, r2 = (D / 2) - 2.5 + 1, h = 1, center = true, $fn = FINE); cylinder(r1 = (D / 2) - 2.5, r2 = (D / 2) - 2.5 + 1, h = 1, center = true, $fn = FINE);
//outer bevel }
//outer cup bevel
translate([0, 0, (H / 2) - ROUND - 1]) { translate([0, 0, (H / 2) - ROUND - 1]) {
difference () { difference () {
cylinder(r = (D / 2) + .25, h = 1, center = true, $fn = FINE); cylinder(r = (D / 2) + .25, h = 1, center = true, $fn = FINE);
cylinder(r2 = (D / 2) - .8, r1 = (D / 2) - .8 + 1, h = 1, center = true, $fn = FINE); cylinder(r2 = (D / 2) - .8, r1 = (D / 2) - .8 + 1, h = 1, center = true, $fn = FINE);
} }
} }
//hole //hole in cup
translate([21, 0, -10]) cylinder(r = 3 / 2, h = 40, center = true, $fn = 40); translate([21, 0, -10]) cylinder(r = 3 / 2, h = 40, center = true, $fn = 40);
} }
@ -46,14 +53,15 @@ module lomo_top_screw () {
//handle //handle
translate([0, 0, -15]) { translate([0, 0, -15]) {
difference() { difference() {
cylinder(r1 = 16/ 2, r2 = 13 / 2, h = 54.5, $fn = FINE); cylinder(r1 = HANDLE_BASE / 2, r2 = HANDLE_TOP / 2, h = HANDLE_H, $fn = FINE);
//ring //ring negative
translate([0, 0, 31 + 14.5]) { translate([0, 0, 31 + 14.5]) {
difference () { difference () {
cylinder(r = HANDLE_D / 2 + 2, h = 20, center = true); cylinder(r = HANDLE_D / 2 + 2, h = 20, center = true);
cylinder(r = HANDLE_D / 2 - .5, h = 20 + 1, center = true); cylinder(r = HANDLE_D / 2 - .5, h = 20 + 1, center = true);
} }
} }
//handle notches
for(i = [0 : NOTCHES]) { for(i = [0 : NOTCHES]) {
rotate([0, 0, i * (360 / NOTCHES)]) { rotate([0, 0, i * (360 / NOTCHES)]) {
translate([0, HANDLE_D / 2 - .5, 31 + 14.5]) { translate([0, HANDLE_D / 2 - .5, 31 + 14.5]) {
@ -63,7 +71,7 @@ module lomo_top_screw () {
} }
} }
} }
//bevel handle //bevel handle at top
translate([0, 0, 54.01]) { translate([0, 0, 54.01]) {
difference () { difference () {
cylinder(r = 13 / 2, h = 1, center = true); cylinder(r = 13 / 2, h = 1, center = true);
@ -73,16 +81,22 @@ module lomo_top_screw () {
} }
} }
//attach handel with pyramid cylinder //attach handle with pyramid cylinder
translate ([0, 0, -13.7]) { translate ([0, 0, -13.7]) {
cylinder(r1 = 16 / 2 + 2, r2 = 16 / 2 - .1, h = 3, center = true, $fn = FINE); cylinder(r1 = 16 / 2 + 2, r2 = 16 / 2 - .1, h = 3, center = true, $fn = FINE);
} }
//plate under cup //plate under cup
translate([0, 0, -17.75]) cylinder(r = 31.5 / 2, h = 1, center = true, $fn = FINE); translate([0, 0, -17.75]) {
cylinder(r = 31.5 / 2, h = 1, center = true, $fn = FINE);
}
//screw //screw
translate([0, 0, -37.5]) metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21); translate([0, 0, -37.5]) {
metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21);
}
//cylinder plug //cylinder plug
translate([0, 0, -37.5 + (21 / 2) - 1]) cylinder(r = 12 / 2, h = 21, center = true, $fn = FINE); translate([0, 0, -37.5 + (21 / 2) - 1]) {
cylinder(r = 12 / 2, h = 21, center = true, $fn = FINE);
}
} }
//import("./lomo_part_half.stl");
rotate([0, 0, t]) lomo_top_screw(); rotate([0, 0, t]) lomo_spindle_top();