GNAL/50ft_v2/gnal_50ft.scad

197 lines
6.5 KiB
OpenSCAD

//V2
include <../libraries/gnal.scad>;
$fn = 20;
SPOKE_COUNT = 24;
module gnal_spiral_50ft (spiral_count = 40, od = 215.75) {
outer_d = 215;
outer_d_inside = 209;
outer_h = 7.5;
spoke_len = 81;
spoke_w = 3;
spoke_h = 4.2 + 3;
spoke_2_len = 43;
translate([0, 0, -3.6]) difference () {
cylinder(r = outer_d / 2, h = spoke_h, center = true, $fn = 500);
cylinder(r = outer_d_inside / 2, h = outer_h + 1, center = true, $fn = 500);
}
difference () {
gnal_spiral_core();
//rounded spoke voids
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([0, 26.75, 0]) {
cylinder(r = 2, h = 20, center = true, $fn = 40);
}
}
}
}
//main spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, i * (360 / SPOKE_COUNT)]) {
translate([(spoke_len / 2) + (48 / 2), 0, -3.6]) {
cube([spoke_len, spoke_w, spoke_h], center = true);
}
}
}
//secondary spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
cube([spoke_2_len, spoke_w, spoke_h], center = true);
}
}
}
//spoke cross bars
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([63, 0, -3.6]) {
rotate([0, 0, 20]) {
cube([ spoke_w, 18, spoke_h], center = true);
}
}
}
}
translate([0, 0, -.1]) {
rotate([0, 0, -90]) {
difference () {
film_guide(spiral_count, od);
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT) ]) {
translate([(spoke_len / 4) + (48 / 2), 0, -3.6]) triangle_void();
}
}
for (i = [0 : SPOKE_COUNT * 2]) {
rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2)) ]) {
translate([(outer_d / 2) - (spoke_2_len / 2) + 1 , 0, -3.6]) triangle_void_2();
}
}
}
}
}
}
module top () {
H = 5;
center_d = 53;
spoke_w = 4.5;
spokes = 12;
outer_d = 215;
inner_d = 150;
void_d = 22.5;
hole_d = 3.5;
hole_spacing = 37;
core_d = 29.5;
core_bottom_d = 26.2;
difference () {
union () {
cylinder(r = center_d / 2, h = H, center = true, $fn = 100);
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, outer_d / 4, 0]) cube([spoke_w, (outer_d / 2) - 1, H], center = true);
}
}
//void
cylinder(r = void_d / 2, h = H + 1, center = true, $fn = 100);
//speed holes
for (i = [0 : 3]) {
rotate([0, 0, (i * 90) + 45]) translate([0, hole_spacing / 2, 0]) cylinder(r = hole_d / 2, h = H + 1, center = true);
}
//rounding of center cylinder
for (i = [0 : spokes]) {
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([-2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([0, 26.5, 0]) cube([5, 4, H + 1], center = true);
}
}
difference () {
cylinder(r = (center_d / 2) - 1.8, h = H, center = true, $fn = 200);
cylinder(r = (hole_spacing / 2) + 2, h = H + 1, center = true, $fn = 200);
}
//outer ring
difference () {
cylinder(r = outer_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (outer_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//inner ring
difference () {
cylinder(r = inner_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (inner_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//rounded cross connectors
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, (inner_d / 2) - (spoke_w / 2), 0]) difference() {
cylinder(r = 6.5, h = H, center = true);
translate([6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
difference () {
union () {
translate([0, 0, 3.75 + 1]) cylinder(r = core_d / 2, h = H, center = true, $fn = 60);
translate([0, 0, 3.75 + 1 + 3.2]) cylinder(r = core_bottom_d / 2, h = H, center = true, $fn = 60);
}
cylinder(r = void_d / 2, h = H * 5 , center = true, $fn = 100);
translate([0, 0, 4 + 1 + 2.25]) spacer_ridges();
}
//rounded outer ring connectors
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, 205 / 2, 0]) difference () {
cube([13, 9, H], center = true);
translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
}
module film_guide (rotations = 40, od = 215.75) {
SPIRALROTATION=rotations * 360;
SPIRALSTEPS=180;
INITIALRADIUS= od / 2; //300 / 2;
PITCH=2.07675;
XMAXSHAPE=2;
InwardSpiral (
SPIRALROTATION/SPIRALSTEPS,
SPIRALSTEPS,
INITIALRADIUS,
PITCH,
XMAXSHAPE);
}
//difference() {
//spiral();
//translate([250, 0, 0]) cube([500, 500, 50], center = true);
//rotate([0, 0, 150]) translate([250, 0, 0]) cube([500, 500, 50], center = true);
//}
//color("blue") spiral_bottom_insert_s8();
//translate([0, 0, 4]) spiral_bottom_insert_16();
//translate([0, 0, 12.5]) spacer_16();
//real 88m24.685s
//user 88m16.804s
//sys 0m6.259s
//spacer();
//translate([0, 0, 16 + 8]) spiral();
//top();
//film_guide (rotations = 10);
//1 Rotation = 0 hours, 0 minutes, 47 seconds
//2 Rotation = 0 hours, 1 minutes, 3 seconds
//3 Rotation = 0 hours, 1 minutes, 15 seconds
//10 Rotation = 0 hours, 4 minutes, 47 seconds