First 0.08mm print attempt - sadly overtight tolerances
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101
CFTubes.scad
101
CFTubes.scad
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@ -641,15 +641,21 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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// 56mm wide neck
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string_spacing_nut = 10; // 50mm E to e
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string_spacing_bridge = 11.2; // 56mm E to e
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function string_spacing(y) = lerp(string_spacing_bridge, string_spacing_nut, y/fret_scale_length(0));
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string_margin = 3; // +6
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neck_width = string_spacing_bridge*(num_strings-1) + string_margin*2;
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neck_width_nut = (num_strings-1)*string_spacing_nut + string_margin*2;
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neck_width_bridge = (num_strings-1)*string_spacing_bridge + string_margin*2;
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function neck_width_mm(y) = lerp(neck_width_bridge, neck_width_nut, y/fret_scale_length(0));
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body_width = 96;
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scallop_depth = 2.5;
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_zero_fret_width = 3.0;
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scallop_depth = 2.0;
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_zero_fret_width = 3.6;
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_fret_width = 2.4;
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fret_widths = flatten([[_zero_fret_width], [ for (i = [1:num_frets]) _fret_width ]]);
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function get_fret_width(fret) = fret_widths[clamp(0, fret, num_frets)];
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target_neck_thickness = 16; //22;
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fret_angle = 60;
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max_fret_width = max(fret_widths);
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max_fret_height = sin(fret_angle) * max_fret_width/2;
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target_neck_thickness = 16;
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// echo(fret_scale_length(8));
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// echo(fret_scale_length(9));
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rx0 = -40; // Reinforcing rods start
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@ -658,7 +664,7 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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target_neck_thickness_additional_points = [];
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// target_neck_thickness_additional_points = [[rx0+CF_Tube_Len+20, 22], [0, 22]];
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echo(str("Making a Steel 6 String with scale length ", fsl_mm, "mm = ", fsl_mm/25.4, "in and neck width ", neck_width, "mm"));
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echo(str("Making a Steel 6 String with scale length ", fsl_mm, "mm = ", fsl_mm/25.4, "in and neck width ", neck_width_nut, "mm"));
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assert(fsl_mm == Fender_Scale_mm); // Make sure the function correctly uses our changed global
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function CF_Span_Coords(full_length = 700, ply = 3) = [for (i=[0:ply-1]) [0, lerp(0, full_length-CF_Tube_Len, i/(ply-1)), CF_Square_Width*i]];
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@ -670,6 +676,7 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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render() TaperNeck(
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num_frets = num_frets,
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fret_widths = fret_widths,
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fret_angle = fret_angle,
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num_strings = num_strings,
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string_margin = string_margin,
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string_spacing_nut = string_spacing_nut,
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@ -681,22 +688,40 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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);
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}
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module truss_rods() {
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include_from_fret = (from_fret==0);
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x0 = fret_scale_length(to_fret) - get_fret_width(to_fret)/2;
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//x1 = fret_scale_length(from_fret) + ((include_from_fret)?1:(-1)) * get_fret_width(from_fret)/2;
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x1 = include_from_fret ? (fret_scale_length(from_fret) - get_fret_width(from_fret)/2) : x0; // hacky fix for included headpiece
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tolerance = reference ? 0 : 0.24;
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rod_mm = 630;
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v = [0, 40, -9];
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// Nut facing bridge
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// o = v[1];
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// taper_points = reference ? [] : [x0-o, x1-o];
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// translate(v) TrussRod(taper_points = taper_points, tolerance = tolerance, extra = !reference);
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// Nut facing headstock
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o = v[1];
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taper_points = reference ? [] : [rod_mm-(x0-o), rod_mm-(x1-o)];
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translate(v + [0, rod_mm, 0]) rotate([0, 0, 180]) TrussRod(taper_points = taper_points, tolerance = tolerance, extra = !reference);
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}
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reinforcing_tube_positions = flatten([
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[
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for (i=[-1,1]) each [
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// Headside reinforcement
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[i*21.5, rx1, -4],
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[i*20.5, rx1, -4],
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// Bridgeside reinforcement
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// [i*21.5, rx0, -4],
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[i*17.25, rx0, -10],
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[i*20.5, rx0, -4],
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// [i*17.25, rx0, -10],
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// [i*17, rx0, -12],
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[i*3.95, rx0, -16.5],
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// [i*3.95, rx0, -16.5],
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]
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],
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[
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// Headside reinforcement
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[0, rx1, -4],
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[0, rx1, -11],
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// [0, rx1, -4],
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// [0, rx1, -11],
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// Bridgeside reinforcement
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// [0, rx0, -11],
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]]);
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@ -704,7 +729,7 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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// Through span construction
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span_coords = CF_Span_Coords(ply=2);
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reinforcing_square_positions = [
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for (i=[-1,1]) each [ for (v = span_coords) [i*10, rx0, -10] + v ]
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// for (i=[-1,1]) each [ for (v = span_coords) [i*10, rx0, -10] + v ]
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];
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echo(reinforcing_square_positions);
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@ -723,6 +748,7 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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translate([-100, x1, -100]) cube([200, xn-x1, 200]);
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for (v = reinforcing_tube_positions) CFTubeCutout2(v, x0, x1);
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for (v = reinforcing_square_positions) CFSquareCutout2(v, x0, x1);
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truss_rods();
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}
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}
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@ -749,33 +775,44 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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}
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}
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module HeadPiece() {
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x0 = fret_scale_length(0) + fret_width/2;
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function string_x(i, y) = (num_strings-i-1)*string_spacing(y) - neck_width_mm(y)/2 + string_margin;
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module HeadPiece(label=true) {
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string_offsets = [-2, 0, 2.5, -2.5, 0, 2];
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x0 = fret_scale_length(0) + fret_widths[0]/2;
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end_radius = 12;
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x1 = x0 - rx0 + end_radius;
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z1 = scallop_depth + max_fret_height;
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module StringHoles() {
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for (i = [0:num_strings-1]) translate([(num_strings-i-1)*string_spacing - neck_width/2 + string_margin,0,0]) {
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translate([0,0,scallop_depth+fret_width/2+string_diameters_mm[i]]) rotate([-105,0,0]) cylinder(h=30, d=string_diameters_mm[i]*2, $fn=cyl_ld_fn);
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// translate([0,23,-4]) rotate([-150,0,0]) translate([0,0,0]) cylinder(h=20, d=4, $fn=cyl_ld_fn);
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for (i = [0:num_strings-1]) translate([string_x(i, x0),0,0]) {
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// translate([0,0,z1+string_diameters_mm[i]]) rotate([-105,0,0]) cylinder(h=30, d=string_diameters_mm[i]*2, $fn=cyl_ld_fn);
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hull() {
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translate([0,29,-3.5]) sphere(d=5.5, $fn=360);
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translate([0,29+11,-17]) sphere(d=7, $fn=360);
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translate([0,0,z1+string_diameters_mm[i]]) sphere(d=string_diameters_mm[i]*2, $fn=360);
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translate([string_offsets[i],27,-3.5]) sphere(d=min(string_diameters_mm[i]*2.2, 2.7), $fn=360);
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}
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hull() {
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// String ball ends are roughly 3mm by 4mm cylinder(d=4, h=3)
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// translate([string_offsets[i],29,-3.5]) sphere(d=5.5, $fn=360);
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// translate([string_offsets[i],29+11,-17]) sphere(d=7, $fn=360);
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translate([string_offsets[i],27,-3.5]) rotate([0, 90, 0]) cylinder(d=4.5, h=3.5, center=true, $fn=360);
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translate([string_offsets[i],27+24,-17]) rotate([0, 90, 0]) cylinder(d=6.5, h=5.0, center=true, $fn=360);
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}
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}
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}
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fw2 = fret_widths[0]/2;
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render() difference(){
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hull() {
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translate([0,fret_width/2,0]) scale([neck_width/2, 0.01, target_neck_thickness]) sphere(r=1, $fn=360);
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translate([0,-rx0-end_radius,0]) scale([neck_width/2, end_radius, target_neck_thickness*0.93]) sphere(r=1, $fn=360);
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translate([0,fw2,0]) scale([neck_width_mm(x0)/2, 0.01, target_neck_thickness]) sphere(r=1, $fn=360);
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translate([0,-rx0-end_radius,0]) scale([neck_width_mm(x1)/2, end_radius, target_neck_thickness*1.0]) sphere(r=1, $fn=360);
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}
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translate([-500, 0, scallop_depth]) cube([1000, 1000, 1000]);
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translate([-500, fret_width/2 - 1000, -500]) cube([1000, 1000, 1000]);
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translate([-500, fw2 - 1000, -500]) cube([1000, 1000, 1000]);
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translate([0, -fret_scale_length(0), 0]) {
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for (v = reinforcing_tube_positions) CFTubeCutout2(v, x0, x1);
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for (v = reinforcing_square_positions) CFSquareCutout2(v, x0, x1);
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}
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StringHoles();
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translate([-10,fret_width/2+1,-10]) rotate([90,0,0]) linear_extrude(10) {
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if (label) translate([-10,fw2+1,-10]) rotate([90,0,0]) linear_extrude(10) {
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text(str(id_line_0, id_line_1), size=2.9, halign="center", valign="center", $fn=100);
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}
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}
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@ -853,22 +890,34 @@ module Steel6String(include_colours, from_fret=0, to_fret=1, reference=false) {
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bridge_channel_depth = 7;
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if (reference) {
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union() {
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translate([0, -fsl_mm, 0]) union() {
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c_cf = [0.4, 0.5, 0.5];
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%MyNeck();
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// CF square stacks
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truss_rods();
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for (v = reinforcing_tube_positions) color(c_cf) translate(v) CFTube();
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for (v = reinforcing_square_positions) color(c_cf) translate(v) CFSquare();
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// Approximate tuner placement
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TunerPlacement();
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// TunerPlacement();
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// Render strings above for spacing reference
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string_excess = 80;
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for (i = [0:num_strings-1]) {
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translate([(num_strings-i-1)*string_spacing - neck_width/2 + string_margin,0,5]) rotate([-90,0,0]) translate([0,0,-string_excess/2]) cylinder(h=fsl_mm+string_excess, d=string_diameters_mm[i], $fn=cyl_ld_fn);
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hull() {
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translate([string_x(i, -string_excess), -string_excess, 5]) sphere(d=string_diameters_mm[i], $fn=cyl_ld_fn);
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translate([string_x(i, fsl_mm+5), fsl_mm+5, 5]) sphere(d=string_diameters_mm[i], $fn=cyl_ld_fn);
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}
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}
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}
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%HeadPiece(false);
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} else if (from_fret >= 0) {
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RealPiece(from_fret, to_fret, include_from_fret = (from_fret==0));
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if ((from_fret == 0) && list_has(include_colours, 0)) {
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echo("Making a headpiece");
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render() difference() {
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translate([0, fret_scale_length(0), 0]) HeadPiece(false);
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truss_rods();
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}
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}
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} else if (from_fret == -1) {
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// String holding headpiece
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echo("Making a headpiece");
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@ -273,10 +273,18 @@ module TaperNeck(
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translate([-neck_width_bridge, 0, 0]) cube([neck_width_bridge*2, (fret_scale_length(25)+fret_scale_length(24))/2, target_neck_thickness*3]);
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}
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} else {
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has0 = list_has(include_colours, 0);
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has1 = list_has(include_colours, 1);
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has2 = list_has(include_colours, 2);
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has3 = list_has(include_colours, 3);
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render() intersection() {
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if (has0) {
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render() difference() {
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carved_stock();
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if (!has1) intersect_fret_layers();
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if (!has2) fret_inlays();
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if (!has3) fret_side_markers();
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}
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} else render() intersection() {
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difference() {
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carved_stock();
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if (!has1) intersect_fret_layers();
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