c3cat/catears-v2
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first commit of c3dog

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tessaK9 2026-03-08 20:46:02 +01:00
commit d626840450
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97
dogear.scad Normal file
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use <hinge.scad>;
module dogearAllOptions(a1, a2, a3, a4){
translate([25,0,0]){
union(){
linear_extrude(height = 6, center = false, convexity = 10){
polygon(points = [[-32,0],[-25,0],[-25,7]]);
}
hinge(a1, lb = 25, la = 5.5);
translate([12.5,0,0]){
hinge(a2, lb = 0, la = 5.5);
}
translate([25,0,0]){
hinge(a3, lb = 0, la = 5.5);
}
translate([0,37,0]){
hinge(a1, lb = 5, la = 5.5);
}
translate([12.5,37,0]){
hinge(a2, lb = 0, la = 5.5);
}
translate([25,37,0]){
hinge(a3, lb = 0, la = 8);
}
translate([34,0,0]){
cube([7,18.5,6]);
translate([3.5,18.5,0]){
cylinder(h = 6, r = 3.5, center = false, $fn=32);
}
}
translate([35,37,0]){
translate([5,3.5,0]){
cylinder(h = 6, r = 3.5, center = false, $fn=32);
}
}
translate([53,0,0]){
cube([24,7,6], center = false);
}
translate([40,11,0]){
rotate(-45,[0,0,1]){
hinge(a4, lb = 7, la = 7);
translate([14.1,3.5,0]){
cylinder(h = 6, r = 3.5, center = false, $fn=32);
}
translate([0,17.3,0]){
hinge(a4, lb = 21, la = 24.6);
}
translate([31.4,20.8,0]){
cylinder(h = 6, r = 3.5, center = false, $fn=32);
}
}
}
}
}
}
module dogear(flopness){
a1 = 30;
a2 = 30;
a3 = 30;
a4 = 45;
if(flopness == "vvvflop"){
a1 = 45;
a2 = 45;
a3 = 45;
dogearAllOptions(a1, a2, a3, a4);
}
else{
if(flopness == "vvflop"){
a2 = 45;
a3 = 45;
dogearAllOptions(a1, a2, a3, a4);
}
else{
if(flopness == "vflop"){
a3 = 45;
dogearAllOptions(a1, a2, a3, a4);
}
else{
if(flopness == "nflop"){
a1 = 15;
a2 = 15;
a3 = 15;
a4 = 30;
dogearAllOptions(a1, a2, a3, a4);
}
else{
dogearAllOptions(a1, a2, a3, a4);
}
}
}
}
}

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use <headband.scad>;
use <dogear.scad>;
SIZE=60;
THICKNESS=3;
PART=0.7;
STRETCH_LEN=40;
TIP_LEN=0.05;
TIP_BEND=20;
module dogear_headband(rightear = "flop", leftear = "flop", size=SIZE, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, with_rake=true){
union() {
translate([-24, -60, -3]){
rotate(195, [0, 0, 1]) {
mirror([0,1,0]){
dogear(flopness = rightear);
}
}
}
mirror([0,1,0]){
translate([-24, -60, -3]){
rotate(195, [0, 0, 1]) {
mirror([0,1,0]){
dogear(flopness = leftear);
}
}
}
}
headband(
size=size,
height=6,
thickness=thickness,
part=part,
stretch_len=stretch_len,
tip_len=tip_len,
tip_bend=tip_bend,
with_rake=with_rake
);
};
}
dogear_headband(rightear = "nflop");

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headband.scad Normal file
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include <globals.scad>
module partial_ring(part, radius, thickness, height) {
rotate(180-180*part, [0, 0, 1])
rotate_extrude(angle=360*part)
translate([radius, 0]){
polygon(points = [[thickness/2,height/2-0.5],
[thickness/2-0.5,height/2],
[-thickness/2+0.5,height/2],
[-thickness/2,height/2-0.5],
[-thickness/2,-height/2+0.5],
[-thickness/2+0.5,-height/2],
[thickness/2-0.5,-height/2],
[thickness/2,-height/2+0.5]]);
}
}
module headband(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, with_rake=true) {
union() {
union() {
color("purple")
partial_ring(part, radius=size, thickness=thickness, height=height);
rotate( 90-180*part, [0, 0, 1])
translate([stretch_len/2, size, 0]) {
color("orange"){
rotate(90,[0,1,0]){
rotate(90, [0,0,1]){
linear_extrude(stretch_len, center = true, convexity = 10){
polygon(points = [[thickness/2,height/2-0.5],
[thickness/2-0.5,height/2],
[-thickness/2+0.5,height/2],
[-thickness/2,height/2-0.5],
[-thickness/2,-height/2+0.5],
[-thickness/2+0.5,-height/2],
[thickness/2-0.5,-height/2],
[thickness/2,-height/2+0.5]]);
}
}
}
}
color("purple") translate([stretch_len/2, tip_bend, 0])
rotate(90+180*tip_len, [0, 0, 1])
partial_ring(
part=tip_len,
radius=tip_bend,
thickness=thickness,
height=height
);
}
rotate(-90+180*part, [0, 0, 1])
translate([stretch_len/2, -size, 0]) {
color("orange"){
rotate(90,[0,1,0]){
rotate(90, [0,0,1]){
linear_extrude(stretch_len, center = true, convexity = 10){
polygon(points = [[thickness/2,height/2-0.5],
[thickness/2-0.5,height/2],
[-thickness/2+0.5,height/2],
[-thickness/2,height/2-0.5],
[-thickness/2,-height/2+0.5],
[-thickness/2+0.5,-height/2],
[thickness/2-0.5,-height/2],
[thickness/2,-height/2+0.5]]);
}
}
}
}
color("purple")
scale([1, -1, 1])
translate([stretch_len/2, tip_bend, 0])
rotate(90+180*tip_len, [0, 0, 1])
partial_ring(
part=tip_len,
radius=tip_bend,
thickness=thickness,
height=height
);
}
}
if (with_rake) for (i=[-size/2:size/2]) {
rotate(i*2-rake_width/2, [0, 0, 1])
intersection() {
scale([1, 1, rake_stretch/(rake_depth/height)])
translate([0, rake_width/2, 0])
rotate_extrude(angle=rake_width)
translate([rake_depth/2-size+thickness/2, 0, 0])
scale([1, 0.5, 1])
circle(r=rake_depth, $fn=3);
translate([rake_depth/2-size+thickness/2-rake_chamfer, 0, 0])
color("red")
cube([2*rake_depth, rake_width, height], center=true);
}
}
}
}

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module hinge(deg, lb, la){
CutPoints = [
[6,0,5.5],
[6,7,5.5],
[4.5,0,7],
[4.5,7,7],
[6,0,7],
[6,7,7]];
CutFaces = [
[0,2,4],
[1,5,3],
[0,1,3,2],
[0,4,5,1],
[2,3,5,4]];
union(){
difference(){
cube([6,7,6], center = false);
polyhedron(points = CutPoints, faces = CutFaces, convexity = 10);
translate([3,3.5,3.5]){
rotate(90, [1,0,0]){
cylinder(h = 6, r = 2, center = true, $fn = 16);
}
}
if(deg <= 45){
translate([3,2,4.75]){
rotate(-deg,[0,1,0]){
translate([0,0,-4]){
cube([4,3,4], center = false);
}
}
}
}
else{
translate([1.75,2,3.5]){
rotate(-deg,[0,1,0]){
translate([0,0,-6]){
cube([6,3,6], center = false);
}
}
}
}
translate([4,2,1.5]){
cube([4,3,4], center = false);
}
}
cube([6.5,7,1.5], center = false);
translate([3,3.5,3.5]){
rotate(90, [1,0,0]){
cylinder(h = 4.5, r = 1.25, center = true, $fn = 16);
}
}
translate([3,2.5,2.25]){
cube([4,2,2.5], center = false);
}
translate([-lb,0,0]){
cube([lb,7,6], center = false);
}
translate([7,0,0]){
cube([la,7,6], center = false);
}
}
}