The Hearst Ventures-backed 3D printing marketplace has been acquired by its digital manufacturing services peer Proto Labs in a deal potentially worth $330m.

3D Hubs, a US-based 3D printing contract marketplace backed by media company Hearst, has agreed to an up to $330m cash and shares acquisition by digital manufacturing services provider Proto Labs.

The deal consists of $130m in cash and $150m in Proto Labs common stock, with a further $50m contingent on performance-based milestones, split 50-50 between cash and common shares. It is expected to close by the end of January 2021.

Founded in 2013, 3D Hubs runs an online 3D…