O3 Diversified DBA O3 Studios, DBA Fandom University

Handmade CraftsJewelryArt & PrintsMixed / GeneralChino Hills, CaliforniaOn VendorsMap since Nov 2026

Our story

O3 Studios is a small custom-fabrication shop in Chino Hills that makes personalized, made-to-order pieces in-house. That includes custom challenge and sobriety coins with textured prints and clear epoxy domes, laser-engraved gifts in wood, acrylic, leather and metal, multi-color and resin 3D prints, custom stickers and vinyl, sublimated tumblers, and heat-pressed apparel. Our sister brand, Fandom University, brings original fan-inspired designs to the same products. Everything is designed and finished by hand, and we love doing custom names, dates and logos right at the booth.

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