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add spring_dog

This commit is contained in:
Justin Lin 2019-09-08 14:55:32 +08:00
parent b022b859cc
commit 10744c9337

363
examples/spring_dog.scad Normal file
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include <rounded_cylinder.scad>;
include <cross_sections.scad>;
include <rotate_p.scad>;
include <helix_extrude.scad>;
include <helix.scad>;
include <circle_path.scad>;
include <polysections.scad>;
include <arc.scad>;
include <ellipse_extrude.scad>;
include <shape_ellipse.scad>;
include <shape_glued2circles.scad>;
include <bezier_curve.scad>;
include <shape_pie.scad>;
part = "PREVIEW"; // [FRONT, SPRING, BACK, PREVIEW]
head_radius = 15;
spring_levels = 20;
line_thickness = 4;
line_distance = 1.5;
latch_r1 = 2.5;
latch_r2 = 3;
latch_h = 6;
latch_spacing = 0.4;
module latch_prototype(r1, r2, h) {
rd = r2 - r1;
linear_extrude(h)
circle(r1);
translate([0, 0, h - rd])
rotate_extrude()
translate([r2 - rd, 0, 0])
circle(rd, $fn = 4);
}
module latch_convex(r1, r2, h) {
rd = r2 - r1;
difference() {
latch_prototype(r1, r2, h);
translate([0, 0, rd * 2])
linear_extrude(h - rd * 2)
square([rd * 2, r2 * 2], center = true);
}
}
module latch_concave(r1, r2, h, spacing) {
latch_prototype(r1 + spacing, r2 + spacing, h);
translate([0, 0, h])
linear_extrude(spacing)
circle(r2);
}
module toy_spring(radius, levels, sides, line_thickness, line_distance) {
$fn = 4;
spring = circle_path(radius = line_thickness / 2);
helix_extrude(spring,
radius = radius,
levels = levels,
level_dist = line_thickness + line_distance,
$fn = sides
);
if(line_distance != 0) {
spring_gap = circle_path(radius = line_distance / 2);
#translate([0, 0, line_thickness / 2 + line_distance / 2])
helix_extrude(spring_gap,
radius = radius,
levels = levels,
level_dist = line_thickness + line_distance,
$fn = sides
);
}
}
module dog_back(head_r, latch_r1, latch_r2, latch_h) {
$fn = 36;
module foot() {
translate([head_r, 0, 0]) union() {
color("PapayaWhip") ellipse_extrude(head_r / 3) polygon(
shape_ellipse([head_r / 3, head_r / 2])
);
color("Maroon") linear_extrude(head_r) circle(head_r / 8);
color("Goldenrod") translate([head_r / 45, 0, head_r / 2]) rotate([0, -15, 0]) rounded_cylinder(
radius = [head_r / 5, head_r / 3.5],
h = head_r * 1.25,
round_r = 2
);
}
}
module feet() {
foot();
mirror([1, 0, 0]) foot();
}
module body_feet() {
translate([0, -head_r / 5, -head_r * 1.65])
feet();
union() {
color("Goldenrod") scale([1, 1.25, 1]) difference() {
sphere(head_r);
translate([-head_r, head_r / 6, -head_r])
cube(head_r * 2);
}
}
}
module back() {
mirror([0, 1, 0])
body_feet();
rotate([-36.5, 0, 0])
color("Goldenrod")
linear_extrude(head_r * 2, scale = 0.5)
circle(head_r / 6);
}
back();
color("Goldenrod") translate([0, -head_r * 0.2, 0])
rotate([90, 0, 0])
latch_convex(latch_r1, latch_r2, latch_h);
}
module spring_dog_spring(head_r, spring_levels, line_thickness, line_distance, latch_r1, latch_r2, latch_h, latch_spacing) {
spring_sides = 36;
h = spring_levels * line_thickness;
module latch_plate_back() {
difference() {
linear_extrude(latch_h + latch_spacing)
circle(head_r);
latch_concave(latch_r1, latch_r2, latch_h, latch_spacing, $fn = spring_sides);
}
}
module latch_plate_front() {
linear_extrude(latch_h + latch_spacing)
circle(head_r);
translate([0, 0, latch_h + latch_spacing])
latch_convex(latch_r1, latch_r2, latch_h, $fn = spring_sides);
}
color("yellow") union() {
latch_plate_back();
translate([0, 0, line_thickness / 2]) toy_spring(
head_r - line_thickness / 1.5,
spring_levels,
spring_sides,
line_thickness,
line_distance
);
translate([0, 0, h + line_distance * spring_levels])
latch_plate_front();
}
}
module dog_front(head_r, latch_r1, latch_r2, latch_h, latch_spacing) {
$fn = 36;
module head() {
module head_nose() {
color("Goldenrod")
rotate([-15, 0, 0])
scale([1, 0.9, 0.9])
sphere(head_r);
// nose
color("PapayaWhip")
translate([0, -head_r * 0.45, -head_r / 5])
rotate([85, 0, 0])
scale([1.25, 0.8, 1])
rounded_cylinder(
radius = [head_r / 2, head_r / 6],
h = head_r * 1.25,
round_r = 4
);
color("black")
translate([0, -head_r * 1.6, 0])
rotate([15, 0, 0])
scale([1.25, 1, 1])
sphere(head_r / 7);
}
module eye() {
translate([head_r / 2, -head_r / 1.75, head_r / 3])
rotate([-20, 5, 30])
scale([1.2, 0.5, 1]) union() {
color("Goldenrod")
sphere(head_r / 3);
color("white")
translate([0, 0, -head_r / 15])
rotate([-25, -10, 0])
scale([1.1, 1.25, 1.2])
sphere(head_r / 3.5);
color("black")
translate([-head_r / 15, -head_r / 4, -head_r / 12])
sphere(head_r / 7);
}
}
module eyes() {
eye();
mirror([1, 0, 0])
eye();
}
module eyebrow() {
color("black")
translate([head_r / 2.5, -head_r / 2.5, head_r / 3])
rotate([60, 15, 30])
linear_extrude(head_r / 2, center = true) scale([1.5, 1, 1])
arc(radius = head_r / 3, angle = 120, width = head_r / 20);
}
module eyebrows() {
eyebrow();
mirror([1, 0, 0]) eyebrow();
}
shape_pts = shape_glued2circles(head_r / 2, head_r * 2.5, tangent_angle = 35);
module ear() {
color("Maroon")
rotate([-15, 0, -10])
translate([-head_r / 2.75, head_r / 15, -head_r / 2.75])
rotate([0, -60, 0])
scale([1.25, 1, 1]) intersection() {
translate([head_r, 0, 0])
linear_extrude(head_r)
polygon(shape_pts);
difference() {
sphere(head_r);
sphere(head_r - head_r / 10);
}
}
}
module ears() {
ear();
mirror([1, 0, 0]) ear();
}
head_nose();
eyes();
eyebrows();
ears();
}
module foot() {
translate([head_r, -head_r / 11, 0]) union() {
color("PapayaWhip") ellipse_extrude(head_r / 3) polygon(
shape_ellipse([head_r / 3, head_r / 2])
);
color("Maroon") linear_extrude(head_r) circle(head_r / 8);
color("Goldenrod") translate([head_r / 45, 0, head_r / 2]) rotate([0, -15, 0]) rounded_cylinder(
radius = [head_r / 5, head_r / 3.5],
h = head_r * 1.25,
round_r = 2
);
}
}
module feet() {
foot();
mirror([1, 0, 0]) foot();
}
module body_feet() {
translate([0, -head_r / 5, -head_r * 1.65])
feet();
union() {
color("Goldenrod") scale([1, 1.25, 1]) difference() {
sphere(head_r);
translate([-head_r, head_r / 6, -head_r])
cube(head_r * 2);
}
}
}
module front() {
body_feet();
// neck
rotate([60, 0, 0])
union() {
color("Goldenrod")
linear_extrude(head_r * 2)
circle(head_r / 4);
color("green")
translate([0, 0, head_r * 1.1])
rotate([-10, 0, 0])
rotate_extrude()
translate([head_r / 4, 0, 0])
circle(head_r / 10);
}
}
translate([0, -head_r * 1.75 , head_r * 1.3])
head();
difference() {
front();
translate([0, head_r * 0.209, 0]) rotate([90, 0, 0]) latch_concave(latch_r1, latch_r2, latch_h, latch_spacing, $fn = 36);
}
}
if(part == "FRONT") {
dog_front(head_radius, latch_r1, latch_r2, latch_h, latch_spacing);
} else if(part == "SPRING") {
spring_dog_spring(head_radius, spring_levels, line_thickness, line_distance, latch_r1, latch_r2, latch_h, latch_spacing);
} else if(part == "BACK") {
dog_back(head_radius, latch_r1, latch_r2, latch_h);
}
else {
dog_front(head_radius, latch_r1, latch_r2, latch_h, latch_spacing);
translate([0, spring_levels * (line_thickness + line_distance) + latch_h + latch_spacing, 0]) {
rotate([90, 0, 0]) spring_dog_spring(head_radius, spring_levels, line_thickness, line_distance, latch_r1, latch_r2, latch_h, latch_spacing);
translate([0, 3.25, 0]) dog_back(head_radius, latch_r1, latch_r2, latch_h);
}
}