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Justin Lin
2021-07-20 17:21:59 +08:00
parent 81f5e05840
commit d77581d717
2 changed files with 60 additions and 30 deletions
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30
examples/spiral/dragon.scad
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@@ -101,8 +101,8 @@ module head(angy_angz) {
} }
module one_horn() { module one_horn() {
translate([-10, -4, -1]) translate([-9, -4, -2])
rotate([40, -25, 0]) rotate([45, -25, 0])
linear_extrude(30, scale = 0.1, twist = -90) linear_extrude(30, scale = 0.1, twist = -90)
translate([7.5, 0, 0]) translate([7.5, 0, 0])
circle(3, $fn = 4); circle(3, $fn = 4);
@@ -119,13 +119,13 @@ module head(angy_angz) {
rotate([90, 0, -90]) rotate([90, 0, -90])
sweep(paths2sections([path1, path2, path3, path4, path5])); sweep(paths2sections([path1, path2, path3, path4, path5]));
translate([0, 0, -4]) translate([0, 0, -3.25])
rotate([90, 0, -90]) rotate([90, 0, -90])
ellipse_extrude(5.5, slices = 4) ellipse_extrude(5.5, slices = 2)
polygon( polygon(
shape_trapezium([5, 18], shape_trapezium([5, 18],
h = 20, h = 20,
corner_r = 3.25, $fn = 5) corner_r = 2, $fn = 4)
); );
mirror([1, 0, 0]) mirror([1, 0, 0])
@@ -135,23 +135,23 @@ module head(angy_angz) {
polygon( polygon(
shape_trapezium([5, 18], shape_trapezium([5, 18],
h = 20, h = 20,
corner_r = 3.25, $fn = 5) corner_r = 2, $fn = 5)
); );
} }
module one_eye() { module one_eye() {
translate([-5, 2.6, -2]) translate([-5, 2.5, -2])
rotate([-10, 0, -25]) rotate([-5, -8, -10])
scale([1, 1, 2]) scale([1, 1, 1.75])
sphere(1.75, $fn = 5); sphere(1.75, $fn = 6);
translate([-5.25, 3.5, -2.5]) translate([-5.1, 3.75, -2.25])
rotate([-15, 0, 75]) rotate([-25, 0, 75])
sphere(0.65, $fn = 7); sphere(0.65, $fn = 6);
} }
module one_beard() { module one_beard() {
translate([-11.25, -12, -11]) translate([-11.15, -12, -10])
rotate(180) rotate(180)
linear_extrude(8, scale = 0.2, twist = 90) linear_extrude(8, scale = 0.2, twist = 90)
translate([-10, -10, 0]) translate([-10, -10, 0])

60
examples/turtle/hilbert_dragon.scad
View File

@@ -97,8 +97,8 @@ module hilbert_dragon() {
} }
module one_horn() { module one_horn() {
translate([-10, -4, -1]) translate([-9, -4, -2])
rotate([40, -25, 0]) rotate([45, -25, 0])
linear_extrude(30, scale = 0.1, twist = -90) linear_extrude(30, scale = 0.1, twist = -90)
translate([7.5, 0, 0]) translate([7.5, 0, 0])
circle(3, $fn = 4); circle(3, $fn = 4);
@@ -115,13 +115,13 @@ module hilbert_dragon() {
rotate([90, 0, -90]) rotate([90, 0, -90])
sweep(paths2sections([path1, path2, path3, path4, path5])); sweep(paths2sections([path1, path2, path3, path4, path5]));
translate([0, 0, -4]) translate([0, 0, -3.25])
rotate([90, 0, -90]) rotate([90, 0, -90])
ellipse_extrude(5.5, slices = 4) ellipse_extrude(5.5, slices = 2)
polygon( polygon(
shape_trapezium([5, 18], shape_trapezium([5, 18],
h = 20, h = 20,
corner_r = 3.25, $fn = 5) corner_r = 2, $fn = 4)
); );
mirror([1, 0, 0]) mirror([1, 0, 0])
@@ -131,23 +131,23 @@ module hilbert_dragon() {
polygon( polygon(
shape_trapezium([5, 18], shape_trapezium([5, 18],
h = 20, h = 20,
corner_r = 3.25, $fn = 5) corner_r = 2, $fn = 5)
); );
} }
module one_eye() { module one_eye() {
translate([-5, 2.6, -2]) translate([-5, 2.5, -2])
rotate([-10, 0, -25]) rotate([-5, -8, -10])
scale([1, 1, 2]) scale([1, 1, 1.75])
sphere(1.75, $fn = 5); sphere(1.75, $fn = 6);
translate([-5.25, 3.5, -2.5]) translate([-5.1, 3.75, -2.25])
rotate([-15, 0, 75]) rotate([-25, 0, 75])
sphere(0.65, $fn = 7); sphere(0.65, $fn = 6);
} }
module one_beard() { module one_beard() {
translate([-11.25, -12, -11]) translate([-11.15, -12, -10])
rotate(180) rotate(180)
linear_extrude(8, scale = 0.2, twist = 90) linear_extrude(8, scale = 0.2, twist = 90)
translate([-10, -10, 0]) translate([-10, -10, 0])
@@ -176,6 +176,36 @@ module hilbert_dragon() {
} }
} }
module dragon() {
path_pts = helix(
radius = [r1, r2],
levels = levels,
level_dist = level_dist,
vt_dir = "SPI_DOWN",
rt_dir = "CLK",
$fn = 36
);
function __angy_angz(p1, p2) =
let(
dx = p2[0] - p1[0],
dy = p2[1] - p1[1],
dz = p2[2] - p1[2],
ya = atan2(dz, sqrt(dx * dx + dy * dy)),
za = atan2(dy, dx)
) [ya, za];
angy_angz = __angy_angz(path_pts[0], path_pts[1]);
scale(1.1)
along_with(path_pts, scale = 0.85, method = "EULER_ANGLE")
one_segment();
translate([19, 0, 65])
rotate([95, 0, 0])
head(angy_angz);
}
lines = hilbert_curve(); lines = hilbert_curve();
hilbert_path = dedup( hilbert_path = dedup(
concat( concat(