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multmatrix([[1, 0, 0, -20], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
minkowski(convexity = 0) {
difference() {
square(size = [10, 10], center = true);
square(size = [8, 8], center = true);
}
circle($fn = 0, $fa = 12, $fs = 2, r = 2);
}
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
minkowski(convexity = 0) {
difference() {
square(size = [10, 10], center = false);
square(size = [5, 5], center = false);
}
circle($fn = 0, $fa = 12, $fs = 2, r = 5);
}
}
}
multmatrix([[1, 0, 0, 25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
minkowski(convexity = 0) {
square(size = [10, 10], center = false);
circle($fn = 0, $fa = 12, $fs = 2, r = 5);
}
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, -20], [0, 0, 1, 0], [0, 0, 0, 1]]) {
minkowski(convexity = 0) {
square(size = [10, 10], center = false);
}
}
multmatrix([[1, 0, 0, -20], [0, 1, 0, -20], [0, 0, 1, 0], [0, 0, 0, 1]]) {
minkowski(convexity = 0) {
square(size = [10, 10], center = false);
square(size = [2, 2], center = true);
circle($fn = 0, $fa = 12, $fs = 2, r = 1);
}
}
multmatrix([[1, 0, 0, -5], [0, 1, 0, -45], [0, 0, 1, 0], [0, 0, 0, 1]]) {
multmatrix([[4, 0, 0, 0], [0, 4, 0, 0], [0, 0, 4, 0], [0, 0, 0, 1]]) {
group() {
group() {
render(convexity = 1) {
difference() {
square(size = [1e+06, 1e+06], center = true);
minkowski(convexity = 0) {
circle($fn = 0, $fa = 12, $fs = 2, r = 0.3);
group() {
render(convexity = 1) {
difference() {
square(size = [1e+06, 1e+06], center = true);
minkowski(convexity = 0) {
circle($fn = 0, $fa = 12, $fs = 2, r = 0.4);
circle($fn = 0, $fa = 12, $fs = 2, r = 4);
}
}
}
}
}
}
}
}
}
}
}
multmatrix([[1, 0, 0, 30], [0, 1, 0, -30], [0, 0, 1, 0], [0, 0, 0, 1]]) {
multmatrix([[4, 0, 0, 0], [0, 4, 0, 0], [0, 0, 4, 0], [0, 0, 0, 1]]) {
group() {
group() {
render(convexity = 1) {
difference() {
square(size = [1e+06, 1e+06], center = true);
minkowski(convexity = 0) {
circle($fn = 0, $fa = 12, $fs = 2, r = 0.3);
group() {
render(convexity = 1) {
difference() {
square(size = [1e+06, 1e+06], center = true);
minkowski(convexity = 0) {
difference() {
circle($fn = 0, $fa = 12, $fs = 2, r = 0.4);
circle($fn = 0, $fa = 12, $fs = 2, r = 0.399);
}
circle($fn = 0, $fa = 12, $fs = 2, r = 4);
}
}
}
}
}
}
}
}
}
}
}
multmatrix([[1, 0, 0, 30], [0, 1, 0, -45], [0, 0, 1, 0], [0, 0, 0, 1]]) {
minkowski(convexity = 0) {
circle($fn = 0, $fa = 12, $fs = 2, r = 1);
circle($fn = 0, $fa = 12, $fs = 2, r = 0);
}
}
multmatrix([[1, 0, 0, 30], [0, 1, 0, 30], [0, 0, 1, 0], [0, 0, 0, 1]]) {
minkowski(convexity = 0) {
circle($fn = 0, $fa = 12, $fs = 2, r = 0);
circle($fn = 0, $fa = 12, $fs = 2, r = 5);
}
}
multmatrix([[1, 0, 0, -30], [0, 1, 0, 30], [0, 0, 1, 0], [0, 0, 0, 1]]) {
minkowski(convexity = 0) {
circle($fn = 0, $fa = 12, $fs = 2, r = 0);
}
}
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