12-year-old entrepreneur turns 3D-printed toys into thriving business with help from his twin brother

Twelve-year-old Aaron Osirus is proving that age is not a barrier to starting a successful business. Operating out of his home playroom, he launched A3D, a custom manufacturing company focused on 3D-printed toys. The venture began after Aaron observed his classmates frequently using plastic fidget toys at school and realized he could produce similar items himself.

To get the startup off the ground, Aaron secured a $600 loan from his parents to purchase a high-tech printer with an automatic material system capable of multi-color output. He manages the orders by gathering specific design preferences from local customers before moving into production. The business model prioritizes customization and personal delivery for his neighborhood client base.

As the workload increased, Aaron brought his twin brother, Alain, on board to manage the design work, marketing, and order fulfillment. The brothers produce a variety of items, including articulated toys and pass-through fidgets. Their most premium offering, a four-color kitten figurine, is priced at $5. After accounting for material costs and internal labor, the business nets approximately $200 in monthly profit.

Industry data indicates that 3D-printing businesses often see profit margins between 70% and 90% due to low raw material costs. Aaron and Alain maximize these margins by keeping overhead low and utilizing volunteer help when possible. Beyond the financial gains, the brothers view the project as a way to build professional skills and strengthen their relationship.

Aaron encourages his peers to save capital and plan carefully if they want to pursue similar projects. The twins plan to continue growing A3D while focusing on product quality and customer satisfaction.