From 192a935972fac2fe7b6d56f77f54f73d36026edf Mon Sep 17 00:00:00 2001 From: mmcwilliams Date: Thu, 9 Jul 2020 09:10:15 -0400 Subject: [PATCH] Just went for it! Added an experimental quarter version with registration notches in the quarters. Will experiment securing with locktite and determine how waterproof the joins are. Currently having a difficult time getting the spirals to print on the Ender 5 Plus in PETG. Had it work a few times then a whole lot of variables changed and now it's jamming consistently in the same places. Made some more changes to test but while I wait I wanted to make a quartered 50ft spiral I can print on my Tiertime printer with a 130mm bed. TODO: quarter the 100ft spiral --- 50ft_v3/gnal_50ft.scad | 136 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 130 insertions(+), 6 deletions(-) diff --git a/50ft_v3/gnal_50ft.scad b/50ft_v3/gnal_50ft.scad index b0c66be..a4ccad2 100644 --- a/50ft_v3/gnal_50ft.scad +++ b/50ft_v3/gnal_50ft.scad @@ -77,6 +77,123 @@ module gnal_50ft_spiral (spiral_count = 40, od = 215.75) { } } +module gnal_50ft_spiral_quarter_full (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; + + //override spoke count + + echo(SPOKE_COUNT); + + 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 - 1]) { + 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 - 1]) { + rotate([0, 0, i * (360 / SPOKE_COUNT)]) { + translate([(spoke_len / 2) + (48 / 2), 0, -3.6]) { + if (i % 3 == 0 && i % 6 != 0) { //phew! + cube([spoke_len, spoke_w * 2, spoke_h], center = true); + } else { + cube([spoke_len, spoke_w, spoke_h], center = true); + } + + } + } + } + //secondary spokes + for (i = [0 : SPOKE_COUNT - 1]) { + 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 - 1]) { + 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); + for (i = [0 : SPOKE_COUNT - 1]) { + 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) - 1]) { + 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(i); + } + } + } + } + } +} + +module gnal_50ft_spiral_quarter (quarter = "a") { + module notch (NOTCH = 5) { + cube([NOTCH, NOTCH, 5], center = true); + translate([0, 0, (5 / 2) + (1 / 2)]) rotate([0, 0, 45]) cylinder(r1 = NOTCH / 1.4, r2 = 0.1, h = 1, center = true, $fn = 4); + } + + module quarter () { + NOTCH = 3; + NOTCH_H = -5; + NOTCHES = 7; + OFFSET = 60; + difference () { + cube([220, 220, 220], center = true); + for (i = [0 : NOTCHES - 1]) { + translate([OFFSET - (i * (220 / NOTCHES)), -110, NOTCH_H]) rotate([0, 0, 45]) notch(NOTCH); + } + } + for (i = [0 : NOTCHES - 2]) { + translate([-110, OFFSET - (i * (220 / NOTCHES)), NOTCH_H]) rotate([0, 0, 45]) notch(NOTCH); + } + } + intersection () { + rotate([0, 0, 45]) gnal_50ft_spiral_quarter_full(); + if (quarter == "a") { + rotate([0, 0, 0]) translate([110, 110, 0]) quarter(); + } else if (quarter == "b") { + rotate([0, 0, 90]) translate([110, 110, 0]) quarter(); + } else if (quarter == "c") { + rotate([0, 0, 180]) translate([110, 110, 0]) quarter(); + } else if (quarter == "d") { + rotate([0, 0, 270]) translate([110, 110, 0]) quarter(); + } + } +} + module gnal_50ft_top () { H = 5; center_d = 53; @@ -93,7 +210,7 @@ module gnal_50ft_top () { difference () { union () { cylinder(r = center_d / 2, h = H, center = true, $fn = 100); - for (i = [0 : spokes]) { + for (i = [0 : spokes - 1]) { rotate([0, 0, i * (360 / spokes)]) translate([0, outer_d / 4, 0]) cube([spoke_w, (outer_d / 2) - 1, H], center = true); } } @@ -104,7 +221,7 @@ module gnal_50ft_top () { 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]) { + for (i = [0 : spokes - 1]) { 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); @@ -125,7 +242,7 @@ module gnal_50ft_top () { cylinder(r = (inner_d / 2) - 5, h = H + 1, center = true, $fn = 200); } //rounded cross connectors - for (i = [0 : spokes]) { + for (i = [0 : spokes - 1]) { 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); @@ -143,7 +260,7 @@ module gnal_50ft_top () { translate([0, 0, 4 + 1 + 2.25]) spacer_ridges(); } //rounded outer ring connectors - for (i = [0 : spokes]) { + for (i = [0 : spokes - 1]) { 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); @@ -152,17 +269,24 @@ module gnal_50ft_top () { } } - FN = 200; $fn = FN; module film_guide (rotations = 40, id = 45.55 - .5, spacing = 2.075) { spiral(rotations, id, spacing, $fn); } -PART="spiral"; +PART="quarter_a"; if (PART == "spiral") { gnal_50ft_spiral(); +} else if (PART == "quarter_a") { + gnal_50ft_spiral_quarter("a"); +} else if (PART == "quarter_b") { + gnal_50ft_spiral_quarter("b"); +} else if (PART == "quarter_c") { + gnal_50ft_spiral_quarter("c"); +} else if (PART == "quarter_d") { + gnal_50ft_spiral_quarter("d"); } else if (PART == "top") { gnal_50ft_top(); } else if (PART == "spacer") {