Protoplanetary Manufacturing

The older style planet factories, whilst once abundant throughout the cosmos, have now largely fallen into neglect and disrepair. Some, however, are still being used by various Elder races, in a bid to stave off massive overcrowding. Merely creating a new planet, however, is not as ideal as it sounds. Planet creation is a vast, civilisation scale undertaking. Many of these already strained worlds collapse under the weight of maintaining the creation of new world whilst staving off the inevitable collapse of their own...