Refactor CFTubes neck to EllipticalNeck
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CFTubes.scad
130
CFTubes.scad
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@ -6,6 +6,7 @@ include <CFTubes/common.scad>
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// Choose your material by only including one of the below
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// include <CFTubes/PLA.scad>
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include <CFTubes/PETG.scad>
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include <EllipticalNeck.scad>
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// Guitar_Scale_Length_mm = 610; // millimetres, slightly over 24inch (609.6mm) Jaguar scale, should be fine for guitar and u-bass
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// assert(fret_scale_length(0) == 610); // Make sure the function correctly uses our changed global
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@ -20,135 +21,6 @@ fret_inlays = [[3, "真"], [5, "尊"], [7, "正"], [9, "清"], [12, "評判"], [
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// ShinKaiYaku65 22しかし、御霊の実は、愛、喜び、平安、寛容、親切、善意、誠実、 23柔和、自制です。このようなものを禁ずる律法はありません。
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// 愛 喜び 平安 寛容 親切 善意 誠実 柔和 自制
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module neck(string_spacing=18, string_margin=4.5, num_strings=3, target_neck_thickness=15, target_neck_thickness_additional_points=[], scallop_depth=3, num_frets=24, fret_width=2.4, filler=false, inlays_only=false, side_markers_only=false, fret_layers_only=false, remove_fret_layers=false, engrave_markers=true) {
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fw2 = fret_width/2;
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neck_length = fret_scale_length(0)+fw2;
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neck_width = (num_strings-1)*string_spacing + string_margin*2;
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module neck_stock() {
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angle_excess = asin((scallop_depth+fw2)/target_neck_thickness);
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a0 = 90-angle_excess;
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a1 = 270+angle_excess;
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rotate([-90, 0, 0])
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if (len(target_neck_thickness_additional_points) < 1) {
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linear_extrude(neck_length)
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polygon([for (i = [0:300]) let(a=lerp(a0, a1, i/300.0)) [neck_width*0.5*sin(a), -target_neck_thickness*cos(a)]]); // Ellipse
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} else {
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pts = flatten([[[neck_length, target_neck_thickness]], target_neck_thickness_additional_points]);
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echo(pts);
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for (i = [0:len(pts)-2]) {
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pt0 = pts[i];
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pt1 = pts[i+1];
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echo(i, pt0, pt1);
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render() hull() {
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translate([0,0,pt0[0]]) linear_extrude(0.01)
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polygon([for (i = [0:300]) let(a=lerp(a0, a1, i/300.0)) [neck_width*0.5*sin(a), -pt0[1]*cos(a)]]); // Ellipse
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translate([0,0,pt1[0]]) linear_extrude(0.01)
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polygon([for (i = [0:300]) let(a=lerp(a0, a1, i/300.0)) [neck_width*0.5*sin(a), -pt1[1]*cos(a)]]); // Ellipse
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}
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}
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}
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}
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module scallop(fret) {
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x0 = fret_scale_length(fret-1) - fw2;
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x1 = fret_scale_length(fret) + fw2;
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xmid = lerp(x0, x1, 0.5);
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// Radius it?
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arc = arc_points([[x0, scallop_depth], [x1, scallop_depth], [xmid, 0]]);
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// echo(arc);
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rotate([90, 0, 90]) linear_extrude(neck_width, center=true) polygon(arc);
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}
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module scallops() {
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for (fret = [0:num_frets]) {
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scallop(fret);
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}
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}
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module fret_bumps() {
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for (fret = [0:num_frets]) {
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translate([0, fret_scale_length(fret), scallop_depth])
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rotate([0, 90]) cylinder(d=fret_width, h = neck_width, center = true, $fn=200);
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}
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}
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module intersect_fret_layers() {
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for (fret = [0:num_frets]) {
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translate([-500, fret_scale_length(fret)-fret_width/2, -500])
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cube([1000, fret_width, 1000]);
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}
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// Some precision error with fret 0 :/
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translate([-500, fret_scale_length(0)-fret_width/2+0.0006, -500])
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cube([1000, fret_width, 1000]);
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}
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module fret_inlays() {
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for (num_text = fret_inlays) {
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fret = num_text[0];
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if (fret <= num_frets) {
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x0 = fret_scale_length(fret-1);
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x1 = fret_scale_length(fret);
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diff = x0 - x1;
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translate([0, lerp(x0, x1, 0.5), -0.5])
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linear_extrude(30)
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text(text = num_text[1], font = JP_Sans_Font, halign = "center", valign = "center", size = clamp(2, diff-fret_width*2-2, 10));
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}
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}
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}
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module fret_side_markers() {
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for (num_text = fret_inlays) {
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fret = num_text[0];
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if (fret <= num_frets) {
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x0 = fret_scale_length(fret-1);
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x1 = fret_scale_length(fret);
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diff = x0 - x1;
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mid = lerp(x0, x1, 0.67);
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rotate([0, -94, 0])
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translate([0, mid, neck_width/2-3])
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linear_extrude(50)
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rotate(-37)
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text(text = str(fret), font = JP_Serif_Font, halign = "right", valign = "center", size = 5);
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}
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}
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}
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module carved_stock() {
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render() difference() {
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neck_stock();
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scallops();
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scallop(num_frets+1);
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// Chop off anything above the frets
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translate([-neck_width, 0, scallop_depth]) cube([neck_width*2, Guitar_Scale_Length_mm*3, target_neck_thickness*3]);
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// Reduce rest of the body to 0
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translate([-neck_width, 0, 0]) cube([neck_width*2, (fret_scale_length(num_frets)+fret_scale_length(num_frets+1))/2, target_neck_thickness*3]);
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}
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intersection() {
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fret_bumps();
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neck_stock();
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}
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}
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if (filler) { // Somewhat placeholder for now
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difference() {
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neck_stock();
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scallop(25);
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translate([-neck_width, 0, scallop_depth]) cube([neck_width*2, Guitar_Scale_Length_mm*3, target_neck_thickness*3]);
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translate([-neck_width, 0, 0]) cube([neck_width*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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render() intersection() {
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difference() {
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carved_stock();
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if (engrave_markers) {
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fret_inlays();
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fret_side_markers();
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}
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if (remove_fret_layers) intersect_fret_layers();
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}
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if (fret_layers_only || inlays_only || side_markers_only) union() {
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if (fret_layers_only) intersect_fret_layers();
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if (inlays_only) fret_inlays();
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if (side_markers_only) fret_side_markers();
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}
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}
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}
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}
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module tailpiece(string_spacing=18, string_margin=4.5, num_strings=3, target_neck_thickness=15, scallop_depth=3, fret_width=2.4*6) {
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fw2 = fret_width/2;
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neck_length = 84;
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@ -0,0 +1,130 @@
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// Include after common.scad
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module neck(string_spacing=18, string_margin=4.5, num_strings=3, target_neck_thickness=15, target_neck_thickness_additional_points=[], scallop_depth=3, num_frets=24, fret_width=2.4, filler=false, inlays_only=false, side_markers_only=false, fret_layers_only=false, remove_fret_layers=false, engrave_markers=true) {
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fw2 = fret_width/2;
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neck_length = fret_scale_length(0)+fw2;
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neck_width = (num_strings-1)*string_spacing + string_margin*2;
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module neck_stock() {
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angle_excess = asin((scallop_depth+fw2)/target_neck_thickness);
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a0 = 90-angle_excess;
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a1 = 270+angle_excess;
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rotate([-90, 0, 0])
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if (len(target_neck_thickness_additional_points) < 1) {
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linear_extrude(neck_length)
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polygon([for (i = [0:300]) let(a=lerp(a0, a1, i/300.0)) [neck_width*0.5*sin(a), -target_neck_thickness*cos(a)]]); // Ellipse
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} else {
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pts = flatten([[[neck_length, target_neck_thickness]], target_neck_thickness_additional_points]);
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echo(pts);
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for (i = [0:len(pts)-2]) {
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pt0 = pts[i];
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pt1 = pts[i+1];
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echo(i, pt0, pt1);
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render() hull() {
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translate([0,0,pt0[0]]) linear_extrude(0.01)
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polygon([for (i = [0:300]) let(a=lerp(a0, a1, i/300.0)) [neck_width*0.5*sin(a), -pt0[1]*cos(a)]]); // Ellipse
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translate([0,0,pt1[0]]) linear_extrude(0.01)
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polygon([for (i = [0:300]) let(a=lerp(a0, a1, i/300.0)) [neck_width*0.5*sin(a), -pt1[1]*cos(a)]]); // Ellipse
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}
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}
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}
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}
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module scallop(fret) {
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x0 = fret_scale_length(fret-1) - fw2;
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x1 = fret_scale_length(fret) + fw2;
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xmid = lerp(x0, x1, 0.5);
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// Radius it?
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arc = arc_points([[x0, scallop_depth], [x1, scallop_depth], [xmid, 0]]);
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// echo(arc);
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rotate([90, 0, 90]) linear_extrude(neck_width, center=true) polygon(arc);
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}
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module scallops() {
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for (fret = [0:num_frets]) {
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scallop(fret);
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}
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}
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module fret_bumps() {
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for (fret = [0:num_frets]) {
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translate([0, fret_scale_length(fret), scallop_depth])
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rotate([0, 90]) cylinder(d=fret_width, h = neck_width, center = true, $fn=200);
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}
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}
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module intersect_fret_layers() {
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for (fret = [0:num_frets]) {
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translate([-500, fret_scale_length(fret)-fret_width/2, -500])
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cube([1000, fret_width, 1000]);
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}
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// Some precision error with fret 0 :/
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translate([-500, fret_scale_length(0)-fret_width/2+0.0006, -500])
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cube([1000, fret_width, 1000]);
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}
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module fret_inlays() {
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for (num_text = fret_inlays) {
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fret = num_text[0];
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if (fret <= num_frets) {
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x0 = fret_scale_length(fret-1);
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x1 = fret_scale_length(fret);
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diff = x0 - x1;
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translate([0, lerp(x0, x1, 0.5), -0.5])
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linear_extrude(30)
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text(text = num_text[1], font = JP_Sans_Font, halign = "center", valign = "center", size = clamp(2, diff-fret_width*2-2, 10));
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}
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}
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}
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module fret_side_markers() {
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for (num_text = fret_inlays) {
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fret = num_text[0];
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if (fret <= num_frets) {
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x0 = fret_scale_length(fret-1);
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x1 = fret_scale_length(fret);
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diff = x0 - x1;
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mid = lerp(x0, x1, 0.67);
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rotate([0, -94, 0])
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translate([0, mid, neck_width/2-3])
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linear_extrude(50)
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rotate(-37)
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text(text = str(fret), font = JP_Serif_Font, halign = "right", valign = "center", size = 5);
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}
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}
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}
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module carved_stock() {
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render() difference() {
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neck_stock();
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scallops();
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scallop(num_frets+1);
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// Chop off anything above the frets
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translate([-neck_width, 0, scallop_depth]) cube([neck_width*2, Guitar_Scale_Length_mm*3, target_neck_thickness*3]);
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// Reduce rest of the body to 0
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translate([-neck_width, 0, 0]) cube([neck_width*2, (fret_scale_length(num_frets)+fret_scale_length(num_frets+1))/2, target_neck_thickness*3]);
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}
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intersection() {
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fret_bumps();
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neck_stock();
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}
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}
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if (filler) { // Somewhat placeholder for now
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difference() {
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neck_stock();
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scallop(25);
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translate([-neck_width, 0, scallop_depth]) cube([neck_width*2, Guitar_Scale_Length_mm*3, target_neck_thickness*3]);
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translate([-neck_width, 0, 0]) cube([neck_width*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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render() intersection() {
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difference() {
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carved_stock();
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if (engrave_markers) {
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fret_inlays();
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fret_side_markers();
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}
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if (remove_fret_layers) intersect_fret_layers();
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}
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if (fret_layers_only || inlays_only || side_markers_only) union() {
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if (fret_layers_only) intersect_fret_layers();
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if (inlays_only) fret_inlays();
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if (side_markers_only) fret_side_markers();
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}
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}
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}
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}
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