//V3 include <../libraries/gnal_v3.scad>; SPOKE_COUNT = 24; module gnal_100ft_spiral (spiral_count = 60, od = 298.75) { outer_d = 299; outer_d_inside = outer_d - 6; outer_h = 7.5; spoke_len = 123; spoke_w = 3; spoke_h = 4.2 + 3; spoke_2_len = 85; spoke_cross_1_d = 63; spoke_cross_1_w = 18; spoke_cross_2_d = 108; spoke_cross_2_w = 15; spoke_3_len = 39; spoke_3_w = 2; 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); } } } } //second 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); } } } //second spoke cross pieces for (i = [0 : SPOKE_COUNT * 2]) { rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2))]) { translate([spoke_cross_2_d, 0, -3.6]) { rotate([0, 0, -20]) { cube([ spoke_w, spoke_cross_2_w, spoke_h], center = true); } } } } //third spokes for (i = [0 : SPOKE_COUNT * 2]) { rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2))]) { translate([(outer_d / 2) - (spoke_3_len / 2) - 2, 0, -3.6]) { cube([spoke_3_len, spoke_3_w, spoke_h], center = true); } } } translate([0, 0, -.1]) { rotate([0, 0, -90]) { difference () { film_guide(spiral_count); for (i = [0 : SPOKE_COUNT]) { rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT) ]) { translate([(83 / 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([(258 / 2) - (spoke_2_len / 2) + 1 , 0, -3.6 ]) triangle_void_2(i); } } for (i = [0 : SPOKE_COUNT * 4]) { rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 4)) ]) { if (i % 2 == 0) { translate([(outer_d / 2) - (spoke_3_len / 2) + 1 , 0.3, -3.6]) triangle_void_3(i); } else { translate([(outer_d / 2) - (spoke_3_len / 2) + 1 , -0.3, -3.6]) triangle_void_3(i); } } } } } } } module gnal_100ft_top () { H = 5; center_d = 53; spoke_w = 4.5; spokes = 12; outer_d = 299; inner_d = 150; inner_d_2 = 215; 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); } //outer spokes for (i = [0 : spokes * 2]) { rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, (outer_d / 2) - 25, 0]) cube([spoke_w, (outer_d / 2) - (inner_d_2 / 2) , 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); } //second inner ring difference () { cylinder(r = inner_d_2 / 2, h = H, center = true, $fn = 200); cylinder(r = (inner_d_2 / 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 second ring connectors for (i = [0 : spokes]) { rotate([0, 0, i * (360 / spokes)]) translate([0, 205 / 2, 0]) difference () { translate([0, 2, 0]) cube([13, 12, 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); translate([6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60); translate([-6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60); } } //second ring connectors for (i = [0 : spokes * 2]) { rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, 205 / 2, 0]) difference () { translate([0, 4, 0]) cube([13, 8, H], center = true); translate([6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60); translate([-6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60); } } for (i = [0 : spokes * 2]) { rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, 289 / 2, 0]) difference () { translate([0, 0, 0]) 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 = 60, id = 45.55, spacing = 2.075) { $fn = 200; spiral(rotations, id, spacing, $fn); } PART="spiral"; if (PART == "spiral") { gnal_100ft_spiral(); } else if (PART == "top") { gnal_100ft_top(); } else if (PART == "spacer") { gnal_spacer(); } else if (PART == "insert_s8") { gnal_spiral_bottom_insert_s8(); } else if (PART == "insert_16") { gnal_spiral_bottom_insert_16(); } else if (PART == "spacer_16") { gnal_spacer_16(); }