Refraction AI, a robotics startup and creator of the REV-1, a low-cost, lightweight autonomous delivery robot, announced $4.2 million in seed funding led by Pillar VC.

In addition to Pillar VC, the round was filled out by a syndicate of investors including eLab Ventures, Osage Venture Partners, Trucks Venture Capital, Alumni Ventures Group, Chad Laurans (founder of SimpliSafe), Invest Michigan, and others.

Founded in July 2019, Refraction AI solves last-mile delivery logistics with a practical, economical and sustainable application of mobile robot technology. Since its inception, Refraction AI has deployed the first application of its technology serving restaurants and grocery stores in its Ann Arbor, MI location.