1hull(); 2hull(); 3multmatrix([[1, 0, 0, 25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) { 4 hull() { 5 group() { 6 hull() { 7 cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 10, r2 = 10, center = false); 8 multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 10], [0, 0, 0, 1]]) { 9 cube(size = [5, 5, 5], center = true); 10 } 11 } 12 } 13 } 14} 15group() { 16 hull() { 17 cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 10, r2 = 10, center = false); 18 multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 10], [0, 0, 0, 1]]) { 19 cube(size = [5, 5, 5], center = true); 20 } 21 } 22} 23multmatrix([[1, 0, 0, 50], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) { 24 hull() { 25 multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 10], [0, 0, 0, 1]]) { 26 cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 3, r2 = 3, center = false); 27 } 28 difference() { 29 cylinder($fn = 0, $fa = 12, $fs = 2, h = 4, r1 = 10, r2 = 10, center = true); 30 cylinder($fn = 0, $fa = 12, $fs = 2, h = 5, r1 = 5, r2 = 5, center = true); 31 } 32 } 33} 34multmatrix([[1, 0, 0, -5], [0, 1, 0, -5], [0, 0, 1, -5], [0, 0, 0, 1]]) { 35 hull() { 36 intersection() { 37 cube(size = [1, 1, 1], center = false); 38 multmatrix([[1, 0, 0, -1], [0, 1, 0, -1], [0, 0, 1, -1], [0, 0, 0, 1]]) { 39 cube(size = [1, 1, 1], center = false); 40 } 41 } 42 } 43} 44group() { 45 hull() { 46 cube(size = [0, 0, 0], center = false); 47 sphere($fn = 0, $fa = 12, $fs = 2, r = 0); 48 } 49} 50