From 5c3885c06c63937d259f7fddef0ff1178b4fb87e Mon Sep 17 00:00:00 2001 From: Luke Hubmayer-Werner Date: Wed, 1 Jan 2025 22:33:40 +1030 Subject: [PATCH] First Nylon/Classical Tuner attempt --- CFTubes.scad | 110 +++++++++++++++++++++++++++++++++++++----------- NylonTuner.scad | 46 ++++++++++++++++++++ common.scad | 6 ++- 3 files changed, 137 insertions(+), 25 deletions(-) create mode 100644 NylonTuner.scad diff --git a/CFTubes.scad b/CFTubes.scad index 53f2aed..36bb640 100644 --- a/CFTubes.scad +++ b/CFTubes.scad @@ -1,13 +1,32 @@ include include +include // Guitar_Scale_Length_mm = 610; // millimetres, slightly over 24inch (609.6mm) Jaguar scale, should be fine for guitar and u-bass // assert(fret_scale_length(0) == 610); // Make sure the function correctly uses our changed global -CF_Tube_Dia = 5.0; +CF_Tube_Len = 420; // Convenient Amazon size, longer would be better of course but prices are important +CF_Tube_OD = 5.0; // Outer Diameter +CF_Tube_ID = 3.0; CF_Square_Width = 6.0; +CF_Square_ID = 5.0; // Inner diameter, sadly doesn't fit the tubes + +cyl_hd_fn = $preview ? 32 : 512; +cyl_ld_fn = $preview ? 24 : 72; +module CF_Tube() { // Align +y + rotate([0, 0, 90]) render() difference() { + rotate([0, 90, 0]) cylinder(h=CF_Tube_Len, d=CF_Tube_OD, $fn=cyl_hd_fn); + rotate([0, 90, 0]) cylinder(h=CF_Tube_Len, d=CF_Tube_ID, $fn=cyl_ld_fn); + } +} +module CF_Square() { + rotate([0, 0, 90]) render() difference() { + translate([0, -CF_Square_Width/2, -CF_Square_Width/2]) cube([CF_Tube_Len, CF_Square_Width, CF_Square_Width]); + rotate([0, 90, 0]) cylinder(h=CF_Tube_Len, d=CF_Square_ID, $fn=cyl_ld_fn); + } +} // Philippians 4:8 -// Gideon 真実な, 尊ぶべき, 正しい, 清い, 愛すべき, 評判の良い, 徳とされる, 称賛に値する +// Gideon (ShinKaiYaku07) 真実な, 尊ぶべき, 正しい, 清い, 愛すべき, 評判の良い, 徳とされる, 称賛に値する // ShinKaiYaku65 最後に、兄弟たち。すべての真実なこと、すべての誉れあること、すべての正しいこと、すべてのきよいこと、すべての愛すべきこと、すべての評判の良いこと、そのほか徳と言われること、称賛に値することがあるならば、そのようなことに心を留めなさい。 // I swapped 愛 and 評判 because 12th fret should be the biggest marker, and having only 15 as a 2char marker would be too disorienting // going with 良 for 21 @@ -50,25 +69,29 @@ module neck(string_spacing=18, string_margin=4.5, num_strings=3, target_neck_thi module fret_inlays() { for (num_text = fret_inlays) { fret = num_text[0]; - x0 = fret_scale_length(fret-1); - x1 = fret_scale_length(fret); - diff = x0 - x1; - translate([0, lerp(x0, x1, 0.5), -0.5]) - linear_extrude(30) - text(text = num_text[1], font = JP_Serif_Font, halign = "center", valign = "center", size = clamp(2, diff-fret_width*2-2, 10)); + if (fret <= num_frets) { + x0 = fret_scale_length(fret-1); + x1 = fret_scale_length(fret); + diff = x0 - x1; + translate([0, lerp(x0, x1, 0.5), -0.5]) + linear_extrude(30) + text(text = num_text[1], font = JP_Serif_Font, halign = "center", valign = "center", size = clamp(2, diff-fret_width*2-2, 10)); + } } } module fret_side_markers() { for (num_text = fret_inlays) { fret = num_text[0]; - x0 = fret_scale_length(fret-1); - x1 = fret_scale_length(fret); - diff = x0 - x1; - rotate([0, -90, 0]) - translate([0, x1, neck_width/2-3]) - linear_extrude(50) - rotate(-35) - text(text = str(fret), font = JP_Serif_Font, halign = "right", valign = "center", size = 5); + if (fret <= num_frets) { + x0 = fret_scale_length(fret-1); + x1 = fret_scale_length(fret); + diff = x0 - x1; + rotate([0, -90, 0]) + translate([0, x1, neck_width/2-3]) + linear_extrude(50) + rotate(-35) + text(text = str(fret), font = JP_Serif_Font, halign = "right", valign = "center", size = 5); + } } } @@ -158,22 +181,22 @@ module cf_tube(x1, x2, tolerance = 0.3, VLH = false) { tolerance = tolerance + (VLH ? 0.3 : 0); translate([0, x2, 0]) rotate([-90,0,0]) - cylinder(h=x1-x2, d=CF_Tube_Dia+tolerance, $fn=360); + cylinder(h=x1-x2, d=CF_Tube_OD+tolerance, $fn=360); hull() { translate([0, x2]) rotate([-90,0,0]) - cylinder(h=0.2, d=CF_Tube_Dia*1.2+tolerance, $fn=360); + cylinder(h=0.2, d=CF_Tube_OD*1.2+tolerance, $fn=360); translate([0, x2+5]) rotate([-90,0,0]) - cylinder(h=0.2, d=CF_Tube_Dia+tolerance, $fn=360); + cylinder(h=0.2, d=CF_Tube_OD+tolerance, $fn=360); } hull() { translate([0, x1]) rotate([-90,0,0]) - cylinder(h=0.2, d=CF_Tube_Dia*1.2+tolerance, $fn=360); + cylinder(h=0.2, d=CF_Tube_OD*1.2+tolerance, $fn=360); translate([0, x1-5]) rotate([-90,0,0]) - cylinder(h=0.2, d=CF_Tube_Dia+tolerance, $fn=360); + cylinder(h=0.2, d=CF_Tube_OD+tolerance, $fn=360); } } @@ -375,8 +398,39 @@ module bridge(string_spacing=18, string_margin=4.5, num_strings=3, target_neck_t } } -echo(fret_scale_length(0) - fret_scale_length(8)); // 225.724 -echo(fret_scale_length(8) - fret_scale_length(24)); // 240.335 +module Nylon6String() { + fsl_mm = fret_scale_length(0); + echo(str("Making a Nylon 6 String with scale length ", fsl_mm, "mm = ", fsl_mm/25.4, "in")) + assert(fret_scale_length(0) == Classical_Short_Scale_mm); // Make sure the function correctly uses our changed global + + num_frets = 20; + num_strings = 6; + // 56mm wide neck + string_spacing = 10; // 50mm E to e + string_margin = 3; // +6 + scallop_depth = 2; + target_neck_thickness = 22; + + + // neck(num_frets=num_frets, num_strings=num_strings, string_margin=string_margin, string_spacing=string_spacing); + module CF_Span() { + CF_Square(); + translate([0, 140, CF_Square_Width]) CF_Square(); + translate([0, 280, CF_Square_Width*2]) CF_Square(); + } + color([0.4, 0.5, 0.5]) translate([ 12, -40, -16]) CF_Span(); + color([0.4, 0.5, 0.5]) translate([-12, -40, -16]) CF_Span(); + CF_Tube(); + %neck(num_frets=num_frets, num_strings=num_strings, string_margin=string_margin, string_spacing=string_spacing, scallop_depth=scallop_depth, target_neck_thickness=target_neck_thickness); + + // Debug markers to aid part slicing eyeballing + for (i = [150:250:1000]) { + %translate([50,i,0]) union() {text(str(i, "mm")); cube([50, 1, 1], center=true);} + } +} + +// echo(fret_scale_length(0) - fret_scale_length(8)); // 225.724 +// echo(fret_scale_length(8) - fret_scale_length(24)); // 240.335 // fret_tube(0, 8); // //translate([30, 0, 0]) // fret_tube(8, 24); @@ -385,5 +439,13 @@ echo(fret_scale_length(8) - fret_scale_length(24)); // 240.335 // UBassTuner(); // fret_tube_filler(24, 100); -tailpiece(); +// tailpiece(); // bridge(); + +Guitar_Scale_Length_mm = Classical_Short_Scale_mm; +// Nylon6String(); + +difference() { + translate([-15, -60, 0]) cube([50, 120, 13]); + translate([0, 55, 8]) rotate([180,0,0]) NylonTuner(); +} \ No newline at end of file diff --git a/NylonTuner.scad b/NylonTuner.scad new file mode 100644 index 0000000..3eaae56 --- /dev/null +++ b/NylonTuner.scad @@ -0,0 +1,46 @@ +// Classical Guitar style headstock tuners, comes in a mirrored pair of 3 machine heads with a metal plate + +module NylonTuner() { + cyl_hd_fn = $preview ? 32 : 512; + cyl_ld_fn = $preview ? 24 : 72; + earshaft_diameter = 6; + ear_height = 13; + ear_diameter = 22.1; + peg_diameter = 6.0; // Closer to 5.7mm + peg_length = 28; + peg_spacing = 35.0; + peg_string_diameter = 2.2+0.1; + plate_width = 16.6 + 1.4; + plate_length = 111; + plate_thickness = 1.1; // Not really used for our purposes + outer_thickness = 10; + // screwhole_diameter = 3; + screwtap_diameter = 1.7; + screw_length = 7.1 - plate_thickness; + + module peg() { + render() difference() { + cylinder(h=peg_length, d=peg_diameter, $fn=cyl_hd_fn); + translate([0, 0, 14.1]) rotate([90, 0, 0]) cylinder(h=peg_diameter, d=peg_string_diameter, $fn=cyl_ld_fn, center=true); + translate([0, 0, 22.7]) rotate([90, 0, 0]) cylinder(h=peg_diameter, d=peg_string_diameter, $fn=cyl_ld_fn, center=true); + } + } + module ear() { + rotate([0, 90, 0]) cylinder(h=22.6, d=earshaft_diameter, $fn=cyl_ld_fn); + rotate([0, 90, 0]) translate([0,0,22.6-ear_height]) cylinder(h=ear_height, d=ear_diameter, $fn=cyl_hd_fn); + } + + // Plate and clearance + translate([-plate_width/2, 0, -outer_thickness]) cube([plate_width, plate_length, outer_thickness]); + // Pegs + for (i = [0:2]) { + // Peg + translate([0, i*peg_spacing + 16, 0]) peg(); + // Ear + translate([plate_width/2, i*peg_spacing + 22.5, -earshaft_diameter/2-2.5]) ear(); + } + // Mounting holes + for (i = [6, 39, 75, 105]) { + translate([0, i, 0]) cylinder(h=screw_length, d=screwtap_diameter, $fn=cyl_ld_fn); + } +} diff --git a/common.scad b/common.scad index 037dc5e..2327264 100644 --- a/common.scad +++ b/common.scad @@ -1,4 +1,8 @@ -Guitar_Scale_Length_mm = 648; +Fender_Scale_mm = 648; // Actually 25.5inch = 647.7mm +Classical_Normal_Scale_mm = 650; // about 25.59inch +Classical_Short_Scale_mm = 635; // = 25inch + +Guitar_Scale_Length_mm = Fender_Scale_mm; ln2 = ln(2); function log2(x) = ln(x)/ln2; function fret_scale_length(n) = Guitar_Scale_Length_mm * 2^(-n/12);