catear_headband.scad

@@ -1,7 +1,6 @@
 include <globals.scad>;
 
 use <headband.scad>;
-use <chamfer.scad>;
 
 module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretch_factor=1.2, debug=false, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) {
   $A=[0, side_len/2];
@@ -70,7 +69,7 @@ module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretc
   }
 }
 
-module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true) {
+module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) {
 
   $a=size/2*ear_scale;
   $delta=2*(acos($a/(size*2))-90);
@@ -108,8 +107,7 @@ module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNES
       part=part,
       stretch_len=stretch_len,
       tip_len=tip_len,
-      tip_bend=tip_bend,
-      with_rake=with_rake
+      tip_bend=tip_bend
     );
   };
 }

catear_pedestal.scad

@@ -1,49 +0,0 @@
-include <globals.scad>
-
-use <catear_headband.scad>
-
-SCALE_FACTOR=SIZE/9;
-
-echo("scale factor: ", SCALE_FACTOR);
-echo("bottom diameter: ", SIZE/SCALE_FACTOR);
-
-
-difference() {
-  union()
-    for (i=[-1,1])
-      translate([i*2, 0, 0])
-        rotate(i*90, [0, 1, 0])
-          scale(1/SCALE_FACTOR)
-            union() {
-              translate([0, 0, SIZE+20+60])
-                rotate(90, [0, 1, 0])
-                  scale(1.6)
-                    catear_headband(thickness=5, with_rake=false);
-              translate([0, 0, 20])
-                cylinder(h=10, r=SIZE, $fn=360);
-              cylinder(h=20, d=SIZE, $fn=360);
-            }
-  translate([0, 0, -SIZE*(1/SCALE_FACTOR)*5])
-    cube(SIZE*10*(1/SCALE_FACTOR), center=true);
-}
-
-/*
-scale(1/SCALE_FACTOR) {
-translate([0, 0, 30])
-scale([1, 1, -1])
-difference() {
-  union() {
-    translate([0, 0, 20])
-      cylinder(h=10, r=SIZE, $fn=360);
-    cylinder(h=20, d=SIZE, $fn=360);
-  }
-  translate([0, 0, SIZE+20+60])
-    rotate(90, [0, 1, 0])
-      scale(1.6)
-        catear_headband(thickness=5, with_rake=false);
-}
-scale(1.6)
-  translate([0, 0, HEIGHT/2])
-    catear_headband(thickness=5, with_rake=false);
-}
-*/

headband.scad

@@ -1,5 +1,5 @@
+include <chamfer.scad>
 include <globals.scad>
-use <chamfer.scad>
 
 module partial_ring(part, radius, thickness, height) {
   rotate(180-180*part, [0, 0, 1])
@@ -8,7 +8,7 @@ module partial_ring(part, radius, thickness, height) {
         square([thickness, height], center=true);
 }
 
-module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, rake_depth=RAKE_DEPTH, rake_width=RAKE_WIDTH, rake_stretch=RAKE_STRETCH, rake_chamfer=RAKE_CHAMFER, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true) {
+module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, rake_depth=RAKE_DEPTH, rake_width=RAKE_WIDTH, rake_stretch=RAKE_STRETCH, rake_chamfer=RAKE_CHAMFER, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) {
   union() {
     chamfer(size=chamfer, child_h=height, child_bot=-height/2, shape=chamfer_shape) union() {
       color("purple")
@@ -41,7 +41,7 @@ module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part
                   );
         }
     }
-    if (with_rake) for (i=[-size/2:size/2]) {
+    for (i=[-size/2:size/2]) {
       rotate(i*2-rake_width/2, [0, 0, 1])
         intersection() {
           scale([1, 1, rake_stretch/(rake_depth/height)])

pressfit_horns.scad

@@ -1,67 +0,0 @@
-include <globals.scad>;
-
-use <pressfit_headband.scad>;
-
-$fn=360;
-A=30;
-N=4;
-R=45;
-LENGTH=100;
-TWIST=720;
-STEPS=360;
-SLICES=max(TWIST, STEPS, LENGTH);
-SHEIGHT=LENGTH/STEPS;
-BEND_X_FACTOR=0.5;
-BEND_Y_FACTOR=1;
-
-COLORS=[
-"#f00",
-"#f70",
-"#7f0",
-"#0f0",
-"#0f7",
-"#07f",
-"#00f",
-"#70f",
-"#f07"
-];
-
-difference() {
-  union() for (step=[1:STEPS]) {
-    a = A*(1-(step-1)/STEPS);
-    b = A*(1-step/STEPS);
-    r = TWIST/STEPS*(step-1);
-    sh_xy = 0;
-    sh_yx = 0;
-    sh_xz = 1/STEPS*step*BEND_X_FACTOR;
-    sh_yz = 1/STEPS*step*BEND_Y_FACTOR;
-    sh_zx = 0;
-    sh_zy = 0;
-    t_x = sh_xz*SHEIGHT*(step-1)*0.5;
-    t_y = sh_yz*SHEIGHT*(step-1)*0.5;
-    t_z = LENGTH/STEPS*(step-1);
-    sc_x = 1;
-    sc_y = 1;
-    sc_z = 1;
-    mm = [
-      [sc_x,  sh_xy, sh_xz, t_x],
-      [sh_yx, sc_y,  sh_yz, t_y],
-      [sh_zx, sh_zy, sc_z,  t_z],
-    ];
-    echo(a, b, b/a, r, mm);
-    multmatrix(mm)
-      color(COLORS[(step-1)%9])
-      linear_extrude(
-        SHEIGHT,
-        center=false,
-        twist=TWIST/STEPS,
-        scale=b/a,
-        slices=SLICES/STEPS
-      ) rotate(R-r)
-        circle(d=a, $fn=N);
-  }
-  translate([0, 0, INSERTICLE_Z/2])
-    inserticle();
-}
-
-echo("twist angle: ", TWIST/STEPS);