Factorio 6,000 SPM Reverse Megabase

Designed in reverse, starting with labs, and working backwards. Fractal, horizontal, vertical, diagonal, and rotational symmetry. Compact, 16-way parallel design, with accurate ratios. Extensive use of new Train Limit feature in Factorio 1.1. Explicit stacker stations. Inspired by Nilaus’s Reverse Megabase series on youtube: