group() {
	multmatrix([[1, 0, 0, -15], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		group() {
			group() {
				cube(size = [10, 30, 40], center = true);
				cube(size = [20, 20, 40], center = true);
				group() {
					multmatrix([[1, 0, 0, -5], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						cylinder($fn = 0, $fa = 12, $fs = 2, h = 40, r1 = 5, r2 = 5, center = true);
					}
					multmatrix([[1, 0, 0, -5], [0, 1, 0, 10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						cylinder($fn = 0, $fa = 12, $fs = 2, h = 40, r1 = 5, r2 = 5, center = true);
					}
					multmatrix([[1, 0, 0, 5], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						cylinder($fn = 0, $fa = 12, $fs = 2, h = 40, r1 = 5, r2 = 5, center = true);
					}
					multmatrix([[1, 0, 0, 5], [0, 1, 0, 10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						cylinder($fn = 0, $fa = 12, $fs = 2, h = 40, r1 = 5, r2 = 5, center = true);
					}
				}
			}
		}
	}
	multmatrix([[1, 0, 0, 15], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		group() {
			group() {
				cube(size = [20, 20, 30], center = true);
				cube(size = [10, 30, 30], center = true);
				cube(size = [10, 20, 40], center = true);
				group() {
					group() {
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, -5], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 30, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, -5], [0, 1, 0, 10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 30, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, 5], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 30, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, 5], [0, 1, 0, 10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 30, r1 = 5, r2 = 5, center = true);
							}
						}
					}
					group() {
						multmatrix([[0, 0, 1, 0], [1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, -10], [0, 1, 0, -15], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 10, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[0, 0, 1, 0], [1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, -10], [0, 1, 0, 15], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 10, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[0, 0, 1, 0], [1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, 10], [0, 1, 0, -15], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 10, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[0, 0, 1, 0], [1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, 10], [0, 1, 0, 15], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 10, r1 = 5, r2 = 5, center = true);
							}
						}
					}
					group() {
						multmatrix([[0, 1, 0, 0], [0, 0, -1, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, -15], [0, 1, 0, -5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[0, 1, 0, 0], [0, 0, -1, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, -15], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[0, 1, 0, 0], [0, 0, -1, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, 15], [0, 1, 0, -5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 5, r2 = 5, center = true);
							}
						}
						multmatrix([[0, 1, 0, 0], [0, 0, -1, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
							multmatrix([[1, 0, 0, 15], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 5, r2 = 5, center = true);
							}
						}
					}
				}
				group() {
					multmatrix([[1, 0, 0, -5], [0, 1, 0, -10], [0, 0, 1, -15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, -5], [0, 1, 0, -10], [0, 0, 1, 15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, -5], [0, 1, 0, 10], [0, 0, 1, -15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, -5], [0, 1, 0, 10], [0, 0, 1, 15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, 5], [0, 1, 0, -10], [0, 0, 1, -15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, 5], [0, 1, 0, -10], [0, 0, 1, 15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, 5], [0, 1, 0, 10], [0, 0, 1, -15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
					multmatrix([[1, 0, 0, 5], [0, 1, 0, 10], [0, 0, 1, 15], [0, 0, 0, 1]]) {
						sphere($fn = 0, $fa = 12, $fs = 2, r = 5);
					}
				}
			}
		}
	}
}