Products › Captain (CPT) – O-3 Image 1 of 3 Image 2 of 3 Image 3 of 3 Captain (CPT) – O-3 $1.50 A 3D-printed replica of the CPT US Army Rank. Printed in durable PLA, measuring 3 in. L x 2.81 in. H x 0.25 in. thick. Color: Silver / Black All Black Add To Cart Added! A 3D-printed replica of the CPT US Army Rank. Printed in durable PLA, measuring 3 in. L x 2.81 in. H x 0.25 in. thick. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More