group() {
	group() {
		multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
			cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 5, r2 = 5, center = false);
		}
	}
	multmatrix([[1, 0, 0, 5], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		group() {
			multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
				group() {
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
						cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 5, r2 = 5, center = false);
					}
				}
			}
		}
	}
	multmatrix([[1, 0, 0, 10], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		group() {
			multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
				group() {
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
						group() {
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
								group() {
									color([1, 0, 0, 1]) {
										cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 5, r2 = 5, center = false);
									}
								}
							}
						}
					}
				}
			}
		}
	}
	multmatrix([[1, 0, 0, 15], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		group() {
			color([1, 0, 0, 1]) {
				group() {
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
						group() {
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
								group() {
									multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
										group() {
											multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]]) {
												cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 5, r2 = 5, center = false);
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}
}