small station for mining, smelting, processing and researching. uses bot for self-constructions. all modules come with power, ports, storage etc.
done:
red and green science, refining fuel, plastic, smelting stations, depots, green, red and blue circuits, research node
blueprint for empty stations and train stops (input, output, both solid and fluids). also blueprints to armor up the base.
watch out! the research loop handle mixed loads (it's filtered so no biggie if a train comes in wrong)