Late-game balancing suggestion: Collector Head for Fiberglass
One solution for the late-game fiberglass resource crush would be to have an unlockable head for the metal collector which instead collects fiberglass. Maybe a little claw, or one that uses static electricity instead.
Game Data:
Build Stream: rel-next-content
Build Number: 38186
Player Position: X=-5172.624 Y=-1282.627 Z=22892.648