Belt loop piece

CFTubes.scad

@@ -403,6 +403,7 @@ module Nylon6String(render_colour_0=true, render_colour_1=true, render_colour_2=
 	string_spacing = 10;  // 50mm E to e
 	string_margin = 3;  // +6
 	neck_width = string_spacing*(num_strings-1) + string_margin*2;
+	body_width = 96;
 	scallop_depth = 2.5;
 	fret_width=2.4;
 	target_neck_thickness = 16; //22;
@@ -561,6 +562,47 @@ module Nylon6String(render_colour_0=true, render_colour_1=true, render_colour_2=
 		// StringHoles();
 	}
 
+	module LoopOrTunerBlock(tuner_block) {
+		y0 = 116;
+		y1 = fret_scale_length(22);
+		z0 = -43;
+		z_drop = 6;
+		loop_thick = 8;
+		loop_slot_thick = 6;
+		z1 = z0 + z_drop;
+		if (tuner_block) {
+			translate([-body_width/2, 0, z0]) cube([body_width, y0, -z0]);
+		} else {
+			render() difference() {
+				hull() {
+					translate([-neck_width/2, y1-hull_epsilon, z1]) cube([neck_width, hull_epsilon, -z1]);
+					translate([-body_width/2, y0, z0]) cube([body_width, hull_epsilon, -z0]);
+				}
+				// Belt loop slot
+				hull() {
+					translate([0, y1-loop_slot_thick, z1+loop_thick]) rotate([0,90,0]) cylinder(d=loop_slot_thick, h=body_width, center=true, $fn=cyl_hd_fn);
+					translate([0, y0+loop_slot_thick, z0+loop_thick]) rotate([0,90,0]) cylinder(d=loop_slot_thick, h=body_width, center=true, $fn=cyl_hd_fn);
+				}
+				// Angled belt loop slot
+				hull() {
+					extend_factor = 0.8;
+					translate([body_width/2, y1-loop_slot_thick + (y1-y0-loop_slot_thick*2)*extend_factor, z1+loop_thick + (z1-z0)*extend_factor]) rotate([0,90,0]) cylinder(d=loop_slot_thick, h=hull_epsilon, $fn=cyl_hd_fn);
+					translate([0, y0+loop_slot_thick, z0+loop_thick]) rotate([0,90,0]) cylinder(d=loop_slot_thick, h=body_width, center=true, $fn=cyl_hd_fn);
+				}
+				// Version stamp
+				translate([-10,y0+0.5,-30]) rotate([90,0,0]) linear_extrude(10) {
+					text(str(id_line_0, id_line_1), size=2.9, halign="center", valign="center", $fn=100);
+				}
+				translate([-10,y1-0.5,-30]) rotate([90,0,180]) linear_extrude(10) {
+					text(str(id_line_0, id_line_1), size=2.9, halign="center", valign="center", $fn=100);
+				}
+				// CF
+				for (v = reinforcing_tube_positions) CFTubeCutout2(v, y0, y1);
+				for (v = reinforcing_square_positions) CFSquareCutout2(v, y0, y1);
+			}
+		}
+	}
+
 	if (reference) {
 		union() {
 			c_cf = [0.4, 0.5, 0.5];
@@ -569,7 +611,7 @@ module Nylon6String(render_colour_0=true, render_colour_1=true, render_colour_2=
 			for (v = reinforcing_tube_positions) color(c_cf) translate(v) CFTube();
 			for (v = reinforcing_square_positions) color(c_cf) translate(v) CFSquare();
 			// Approximate tuner placement
-			for (m=[0,1]) mirror([m, 0, 0]) translate([29,10,-32]) rotate([0,-90,0]) NylonTuner();
+			for (m=[0,1]) mirror([m, 0, 0]) translate([29,3,-32]) rotate([0,-90,0]) NylonTuner();
 
 			// Render strings above for spacing reference
 			string_excess = 80;
@@ -583,6 +625,16 @@ module Nylon6String(render_colour_0=true, render_colour_1=true, render_colour_2=
 		// String holding headpiece
 		echo("Making a headpiece");
 		HeadPiece();
+	} else if (from_fret == -2) {
+		echo("Making a filler belt loop");
+		LoopOrTunerBlock(false);
+	} else if (from_fret == -3) {
+		echo("Making a tuner block");
+		LoopOrTunerBlock(true);
+	} else if (from_fret == -4) {
+		echo("Making a bridge");
+	} else if (from_fret == -5) {
+		echo("Making a tailpiece");
 	}
 	// Debug markers to aid part slicing eyeballing
 	// %for (i = [150:250:1000]) {
@@ -605,8 +657,12 @@ module Nylon6String(render_colour_0=true, render_colour_1=true, render_colour_2=
 // bridge();
 
 Guitar_Scale_Length_mm = Classical_Short_Scale_mm;
+// Nylon6String(reference=true);
+// translate([0, fret_scale_length(22), 0]) Nylon6String(from_fret=0, to_fret=22);
 // translate([0, Guitar_Scale_Length_mm, 0]) rotate([0,0,180]) Nylon6String(reference=true);
-rotate([0,0,180]) Nylon6String(from_fret=-1);
+// rotate([0,0,180]) Nylon6String(from_fret=-1);
+Nylon6String(from_fret=-2);
+%Nylon6String(from_fret=-3);
 
 // difference() {
 // 	translate([-15, -60, 0]) cube([50, 120, 8]);

NylonTuner.scad

@@ -1,12 +1,12 @@
 // Classical Guitar style headstock tuners, comes in a mirrored pair of 3 machine heads with a metal plate
 
-module NylonTuner() {
+module NylonTuner(ear_extra_diameter = 0, ear_extra_height = 0) {
 	cyl_hd_fn = $preview ? 32 : 512;
 	cyl_ld_fn = $preview ? 24 : 72;
 	earshaft_diameter = 6.3;
 	ear_total_height = 22.5;
 	ear_height = 13+3;
-	ear_diameter = 22.1;
+	ear_diameter = 22.1 + ear_extra_diameter;
 	peg_diameter = 6.0;  // Closer to 5.7mm
 	peg_length = 28;
 	peg_spacing = 35.0;
@@ -28,7 +28,7 @@ module NylonTuner() {
 	}
 	module ear() {
 		rotate([0, 90, 0]) cylinder(h=ear_total_height, d=earshaft_diameter, $fn=cyl_ld_fn);
-		rotate([0, 90, 0]) translate([0,0,ear_total_height-ear_height]) cylinder(h=ear_height, d=ear_diameter, $fn=cyl_hd_fn);
+		rotate([0, 90, 0]) translate([0,0,ear_total_height-ear_height]) cylinder(h=ear_height+ear_extra_height, d=ear_diameter, $fn=cyl_hd_fn);
 	}
 
 	// Plate and clearance