First 2banger pickup segment test
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CFTubes.scad
49
CFTubes.scad
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@ -19,18 +19,25 @@ shumbucker_w2 = 82.9; // 1.6mm in, a 2.0mm hole on each side
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relay_coil_housing_w = 15.2;
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relay_coil_housing_l = 18.8;
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relay_coil_housing_h = 15.5;
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// relay_coil_leg_cavity_h = 5;
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relay_coil_leg_cavity_l = 5;
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module relay_coil_placeholder() translate([-relay_coil_housing_w/2, -relay_coil_housing_l/2]) cube([relay_coil_housing_w, relay_coil_housing_l, relay_coil_housing_h]);
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module relay_coil_placeholder(top_clearance=0, bottom_leg_clearance=5) {
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translate([-relay_coil_housing_w/2, -relay_coil_housing_l/2]) cube([relay_coil_housing_w, relay_coil_housing_l, relay_coil_housing_h+top_clearance]);
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translate([-relay_coil_housing_w/2, -relay_coil_housing_l/2, -bottom_leg_clearance]) cube([relay_coil_housing_w, relay_coil_leg_cavity_l, bottom_leg_clearance]);
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}
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output_socket_plate_thickness = 3; // The bit with the hole to screw onto
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output_socket_cutout_d = 10.4 + 0.5;
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output_socket_washer_d = 17.0 + 0.5;
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output_socket_l = 25;
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output_socket_w = 20;
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output_socket_h = 16;
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output_socket_h = 15.7 + 0.3;
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output_socket_protrude = 9.5;
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module output_socket_placeholder() {
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translate([-output_socket_w/2, 0, 0]) cube([output_socket_w, output_socket_l, output_socket_h]);
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module output_socket_placeholder(rear_clearance=0) {
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translate([-output_socket_w/2, 0, 0]) cube([output_socket_w, output_socket_l+rear_clearance, output_socket_h]);
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translate([0, 0, output_socket_h/2]) rotate([90,0,0]) cylinder_outer(d=output_socket_cutout_d, h=output_socket_protrude, $fn=72);
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translate([0, -output_socket_plate_thickness, output_socket_h/2]) rotate([90,0,0]) cylinder_outer(d=output_socket_washer_d, h=output_socket_protrude-output_socket_plate_thickness, $fn=72);
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}
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// Philippians 4:8
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@ -1136,6 +1143,19 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
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echo(segment_cuts);
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echo([ for (i=[1:len(segment_cuts)-1]) segment_cuts[i]-segment_cuts[i-1]]);
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pickup_y = fret_scale_length(36);
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module ElectronicsCavities(diff=false) {
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// Directly under the strings would hit the second truss rod :(
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//for (i=[0,1]) translate([string_x(i, pickup_y), pickup_y, -10]) relay_coil_placeholder();
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z_pickup = -10;
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for (i=[0,1]) mirror([i, 0, 0]) translate([12, pickup_y, z_pickup]) relay_coil_placeholder(top_clearance = diff ? 40 : 0);
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// translate([0, pickup_y-8, -20]) rotate([0, 90, 0]) cylinder_outer(d=6, h=neck_width()+10, center=true);
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// translate([5, pickup_y-38, -10]) rotate([0, 90, 0]) output_socket_placeholder();
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output_socket_y = pickup_y-26;
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translate([output_socket_l/2, output_socket_y, -10]) rotate([0, 0, 90]) output_socket_placeholder(rear_clearance = diff ? 40 : 0);
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translate([output_socket_l/2 - 100, output_socket_y + output_socket_w/2 - 2, -10-1]) cube([100, 9, 2]);
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}
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module MyBodySegment() {
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body_height = 24;
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epsilon = 0.000001;
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@ -1162,6 +1182,15 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
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translate([0, 490+y0, 50]) cube([100, 100, 100], center=true);
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}
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}
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// Electronics bulge
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hull() {
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bulge_w = 42.5;
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bulge_l = 55;
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bulge_y = pickup_y-40;
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translate([-neck_width()/2, bulge_y-15, -body_height]) round_cube([neck_width(), bulge_l+30, body_height+$extra_thickness_above_center], r = radius);
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translate([-bulge_w/2, pickup_y-40, $extra_thickness_above_center-body_height]) round_cube([bulge_w, bulge_l, body_height], r = radius);
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}
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}
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module HeadPiece() {
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@ -1231,6 +1260,10 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
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[ 9, segment_cuts[2], -17],
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[-10.25, segment_cuts[2], 2.5],
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[ 10.25, segment_cuts[2], 2.5],
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[-10, segment_cuts[1], 0],
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[ 10, segment_cuts[1], 0],
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[-10, segment_cuts[1], -17],
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[ 10, segment_cuts[1], -17],
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];
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module Dowels() {
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for (v=dowel_positions) translate(v) Dowel();
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@ -1243,6 +1276,8 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
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TrussRods(extra=20);
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Dowels();
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ElectronicsCavities(diff=true);
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// Add a belt hole
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arc = arc_points([[23, -13], [-23, -13], [0, -3]], 1);
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belthole_r = 3;
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@ -1284,9 +1319,7 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
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if (preview) {
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// TrussRods();
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// CFs();
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pickup_y = fret_scale_length(36);
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for (i=[0,1]) translate([string_x(i, pickup_y), pickup_y, -10]) relay_coil_placeholder();
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translate([9, pickup_y-40, -10]) rotate([0, 90, 0]) output_socket_placeholder();
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ElectronicsCavities();
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color("#FF000080") MyBody();
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strings_reference();
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} else render() {
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@ -1309,7 +1342,7 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
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colour_scheme = COLOURSCHEME_ABS_BLUE;
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// TwoBangerMk2(preview=true);
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segment = 2;
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segment = 1;
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color(colour_scheme[0]) TwoBangerMk2([0], segment);
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color(colour_scheme[1]) TwoBangerMk2([1], segment);
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color(colour_scheme[2]) TwoBangerMk2([2], segment);
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@ -8,7 +8,8 @@ function neck_width(mm=0, fret=-9999) = lerp($neck_width_bridge, $neck_width_nut
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function get_fret_width(fret) = $fret_widths[clamp(0, fret, len($fret_widths)-1)];
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function get_fret_height(fret) = sin($fret_angle) * get_fret_width(fret)/2;
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function get_max_fret_width() = max($fret_widths);
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function get_max_fret_height() = ((1-cos($fret_angle))/(sin($fret_angle))) * get_max_fret_width()/2;
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function arc_starting_angle_to_height_ratio(angle) = ((1-cos(angle))/(sin(angle)));
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function get_max_fret_height() = arc_starting_angle_to_height_ratio($fret_angle) * get_max_fret_width()/2;
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function behind_fret(fret) = fret_scale_length(fret) + get_fret_width(fret)/2;
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function after_fret(fret) = fret_scale_length(fret) - get_fret_width(fret)/2;
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@ -175,6 +176,10 @@ module TaperNeck(
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z1 = z0 + $scallop_depth; // Frets protrude from here
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z2 = z1 + get_max_fret_height(); // Nothing above this => thickest top of neck
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y2 = fret_scale_length($num_frets) - get_fret_width($num_frets)/2; // bridge-side edge of final fret
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final_scallop_length = $scallop_depth / arc_starting_angle_to_height_ratio(max_scallop_angle);
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y1 = y2 - final_scallop_length;
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module neck_stock() {
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angle_excess = asin(z2/$target_neck_thickness);
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a0 = 90-angle_excess;
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@ -206,8 +211,9 @@ module TaperNeck(
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children();
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}
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module scallop(fret) {
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x0 = fret_scale_length(fret-1) - get_fret_width(fret-1)/2;
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x1 = fret_scale_length(fret) + get_fret_width(fret)/2;
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x0 = fret_scale_length(fret) - get_fret_width(fret)/2;
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x_fret = fret_scale_length(fret+1) + get_fret_width(fret+1)/2;
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x1 = (fret < $num_frets) ? x_fret : (x0 - final_scallop_length*2);
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xmid = lerp(x0, x1, 0.5);
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xdelta = x0-x1;
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@ -295,11 +301,10 @@ module TaperNeck(
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render() difference() {
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neck_stock() children();
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scallops();
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scallop($num_frets+1);
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// Chop off anything above the frets
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translate([-$neck_width_bridge, 0, z1]) cube([$neck_width_bridge*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_bridge, 0, z0]) cube([$neck_width_bridge*2, (fret_scale_length($num_frets)+fret_scale_length($num_frets+1))/2, $target_neck_thickness*3]);
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translate([-$neck_width_bridge, 0, z0]) cube([$neck_width_bridge*2, y1, $target_neck_thickness*3]);
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}
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intersection() {
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fret_bumps();
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