Old uncommitted 2-Banger additions

This commit is contained in:
Luke Hubmayer-Werner 2024-04-01 20:22:15 +10:30
parent 5cbeb28208
commit ef2f30bca9
3 changed files with 236 additions and 8 deletions

112
2Banger_bridge.scad Normal file
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@ -0,0 +1,112 @@
include <common.scad>
include <2BangerCommon.scad>
// Nice big jumbo fret for the bridge
fret_width = 2.4*1.5; //2.4; //2.8; // Jumbo = 0.11", 0.055" tall
module headpiece(from_fret, to_fret, tang_depth = 3) {
z_min = (fret_scale_length(to_fret) + fret_scale_length(to_fret+1))/2;
z_max = (fret_scale_length(from_fret) + fret_scale_length(from_fret-1))/2;
z_offset = z_min;
Tube_Length = z_max - z_min;
echo(str("Cap length from fret ", from_fret, " to ", to_fret, " is ", Tube_Length, "mm"));
module solid_tube(cap_taper = 1.5, fingerboard_min_thick = 2.5, fingerboard_max_thick = 5+8, fret_angle = 60) { // Fret angle of 45° is normal, anything over 60 will not work correctly
module fret_bumps(w=50) {
translate([0,0,-z_offset]) for (fret = [from_fret:to_fret])
translate([fingerboard_max_thick - fret_width/2, w/2, fret_scale_length(fret)])
rotate([90,0,0]) cylinder(h = w, r = fret_width/2);
}
module scallops(w=50) {
for (fret = [from_fret:to_fret+1])
let(
f_prev = fret_scale_length(fret-1) - z_offset,
f_next = fret_scale_length(fret) - z_offset,
o = fret_width/2 * sin(fret_angle),
x0 = f_prev - o,
x1 = f_next + o,
y0 = fingerboard_min_thick,
y1 = fingerboard_max_thick - (fret_width/2 * cos(fret_angle)),
pts = [[x0, y1], [x1, y1], [(x0+x1)/2, y0]],
cc = tri_circumcenter(pts),
r = norm([x0, y1] - cc)
) {
translate([0,-w/2,0])
rotate([-90,-90,0])
translate(cc) cylinder(h = w, r = r);
}
}
module basic_fretboard() {
intersection() {
hull() {
minkowski($fn = mink_fn) {
sphere(cap_taper, $fn = mink_fn);
translate([0,0,cap_taper]) linear_extrude(0.01) offset(-cap_taper)
cap_outline_bridge(fingerboard_min_thick = fingerboard_min_thick, fingerboard_max_thick = fingerboard_max_thick);
}
minkowski($fn = mink_fn) {
sphere(cap_taper, $fn = mink_fn);
translate([0,0,Tube_Length-cap_taper]) linear_extrude(0.01) offset(-cap_taper)
cap_outline_bridge(fingerboard_min_thick = fingerboard_min_thick, fingerboard_max_thick = fingerboard_max_thick);
}
linear_extrude(Tube_Length) offset(-1) cap_outline_bridge();
translate([0,0,cap_taper]) linear_extrude(Tube_Length-cap_taper*2)
cap_outline_bridge(fingerboard_min_thick = fingerboard_min_thick, fingerboard_max_thick = fingerboard_max_thick);
}
union() {
fret_bumps();
translate([-50,-50,0]) cube([50 + fingerboard_max_thick - (fret_width/2 * cos(fret_angle)), 100, Tube_Length]);
}
}
}
// Make a solid tube and then subtract the notches
difference() {
union() {
basic_fretboard();
// translate([0,0,Tube_Length]) linear_extrude(tang_depth) tang_outline(-0.1);
}
difference() {
scallops();
fret_bumps();
}
// Shear off the top at an angle
// translate([-1,-50,Tube_Length])
// rotate([0,83.8])
// cube([45,100,100]);
// Tang for connecting to next tube
// tapered_tang_groove(depth = tang_depth + 0.5, taper = 0);
// tapered_tang_groove(depth = 0.5, taper = 0, offset = 0.5);
}
// color("red") scallops();
}
module string_hole() {
translate([12, 0, Tube_Length - 5])
rotate([0,-5])
cylinder(h = 50, r = 1.5, center = true);
}
difference() {
solid_tube(1.5);
linear_extrude(Tube_Length + 10) T_hole();
tapered_T_hole(z0 = 0, z1 = 3);
tapered_T_hole(z0 = Tube_Length-3, z1 = Tube_Length+0.0001, o0 = 0, o1 = 1);
// String holes
translate([0, -10, 0])
string_hole();
translate([0, 10, 0])
string_hole();
// Version number
translate([-10,10,Tube_Length-0.5]) linear_extrude(1) text("05²", size=5, halign="center", valign="center", font="Noto Sans");
// Fret number markers
for (fret = [from_fret:to_fret])
translate([-3,-16,fret_scale_length(fret)-z_offset]) rotate([90,25,16]) linear_extrude(100) text("B", size=4, halign="center", valign="center", font="Noto Sans");
}
}
headpiece(from_fret = 7, to_fret = 7);
//translate([50, 0]) headpiece(from_fret = 0, to_fret = 0);

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@ -91,11 +91,11 @@ module tube(from_fret, to_fret, tang_depth = 3) {
} }
tube(from_fret = 0, to_fret = 0); tube(from_fret = -5, to_fret = -5);
translate([50, 0]) tube(from_fret = -4, to_fret = -3); //translate([50, 0]) tube(from_fret = -4, to_fret = -3);
translate([100, 0]) tube(from_fret = -2, to_fret = 0); //translate([100, 0]) tube(from_fret = -2, to_fret = 0);
translate([150, 0]) tube(from_fret = 1, to_fret = 3); //translate([150, 0]) tube(from_fret = 1, to_fret = 3);
translate([200, 0]) tube(from_fret = 4, to_fret = 7); //translate([200, 0]) tube(from_fret = 4, to_fret = 7);
translate([250, 0]) tube(from_fret = 8, to_fret = 12); //translate([250, 0]) tube(from_fret = 8, to_fret = 12);
translate([300, 0]) tube(from_fret = 13, to_fret = 19); //translate([300, 0]) tube(from_fret = 13, to_fret = 19);
translate([350, 0]) tube(from_fret = 20, to_fret = 30); //translate([350, 0]) tube(from_fret = 20, to_fret = 30);

116
2Banger_headpiece.scad Normal file
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include <common.scad>
include <2BangerCommon.scad>
// Nice big jumbo fret for the 0th fret
fret_width = 2.4*1.5; //2.4; //2.8; // Jumbo = 0.11", 0.055" tall
module headpiece(from_fret, to_fret, tang_depth = 3, Cap_Length = 30) {
z_min = (fret_scale_length(to_fret) + fret_scale_length(to_fret+1))/2;
z_max = (fret_scale_length(from_fret) + fret_scale_length(from_fret-1))/2 + Cap_Length;
z_offset = z_min;
Tube_Length = z_max - z_min;
echo(str("Cap length from fret ", from_fret, " to ", to_fret, " is ", Tube_Length, "mm"));
module solid_tube(cap_taper = 1.5, fingerboard_min_thick = 2.5, fingerboard_max_thick = 5+2, fret_angle = 60) { // Fret angle of 45° is normal, anything over 60 will not work correctly
module fret_bumps(w=50) {
translate([0,0,-z_offset]) for (fret = [from_fret:to_fret])
translate([fingerboard_max_thick - fret_width/2, w/2, fret_scale_length(fret)])
rotate([90,0,0]) cylinder(h = w, r = fret_width/2);
}
module scallops(w=50) {
for (fret = [from_fret:to_fret+1])
let(
f_prev = fret_scale_length(fret-1) - z_offset,
f_next = fret_scale_length(fret) - z_offset,
o = fret_width/2 * sin(fret_angle),
x0 = f_prev - o,
x1 = f_next + o,
y0 = fingerboard_min_thick,
y1 = fingerboard_max_thick - (fret_width/2 * cos(fret_angle)),
pts = [[x0, y1], [x1, y1], [(x0+x1)/2, y0]],
cc = tri_circumcenter(pts),
r = norm([x0, y1] - cc)
) {
translate([0,-w/2,0])
rotate([-90,-90,0])
translate(cc) cylinder(h = w, r = r);
}
}
module basic_fretboard() {
intersection() {
hull() {
minkowski($fn = mink_fn) {
sphere(cap_taper, $fn = mink_fn);
translate([0,0,cap_taper]) linear_extrude(0.01) offset(-cap_taper)
cap_outline(fingerboard_min_thick = fingerboard_min_thick, fingerboard_max_thick = fingerboard_max_thick);
}
minkowski($fn = mink_fn) {
sphere(cap_taper, $fn = mink_fn);
translate([0,0,Tube_Length-cap_taper]) linear_extrude(0.01) offset(-cap_taper)
cap_outline(fingerboard_min_thick = fingerboard_min_thick, fingerboard_max_thick = fingerboard_max_thick);
}
linear_extrude(Tube_Length) offset(-1) cap_outline();
translate([0,0,cap_taper]) linear_extrude(Tube_Length-cap_taper*2)
cap_outline(fingerboard_min_thick = fingerboard_min_thick, fingerboard_max_thick = fingerboard_max_thick);
}
union() {
fret_bumps();
translate([-50,-50,0]) cube([50 + fingerboard_max_thick - (fret_width/2 * cos(fret_angle)), 100, Tube_Length]);
}
}
}
// Make a solid tube and then subtract the notches
difference() {
union() {
basic_fretboard();
// translate([0,0,Tube_Length]) linear_extrude(tang_depth) tang_outline(-0.1);
}
difference() {
scallops();
fret_bumps();
}
// Shear off the top at an angle
translate([-1,-50,Tube_Length])
rotate([0,83.8])
cube([45,100,100]);
// Tang for connecting to next tube
tapered_tang_groove(depth = tang_depth + 0.5, taper = 0);
tapered_tang_groove(depth = 0.5, taper = 0, offset = 0.5);
}
// color("red") scallops();
}
module string_hole() {
translate([0, 0, Tube_Length - Cap_Length - 5])
rotate([0,-40])
union() {
translate([0, 0, 105])
cube([7.5, 5, 200], center = true);
cylinder(h = 200, r = 2.5, center = true);
}
}
difference() {
solid_tube(1.5);
linear_extrude(Tube_Length - Cap_Length + 10) T_hole();
tapered_T_hole(z0 = 0, z1 = 3);
// tapered_T_hole(z0 = Tube_Length-3, z1 = Tube_Length+0.0001, o0 = 0, o1 = 1);
// String holes
translate([0, -10, 0])
string_hole();
translate([0, 10, 0])
string_hole();
// Version number
translate([-10,10,Tube_Length-0.5]) linear_extrude(1) text("05²", size=5, halign="center", valign="center", font="Noto Sans");
// Fret number markers
for (fret = [from_fret:to_fret])
translate([-3,-16,fret_scale_length(fret)-z_offset]) rotate([90,25,16]) linear_extrude(100) text(str(fret), size=4, halign="center", valign="center", font="Noto Sans");
}
}
headpiece(from_fret = -5, to_fret = -5);
//translate([50, 0]) headpiece(from_fret = 0, to_fret = 0);