Precision 3D Printing for Model Train Enthusiasts
From vintage locomotive parts to custom accessories, we bring your model railway dreams to life with cutting-edge 3D printing technology.
We combine passion for model trains and other designs with state-of-the-art 3D printing technology to deliver unmatched quality and precision.
Every part is designed and printed with detailed precision to ensure perfect fit and authentic detail.
Heyer 3D Design specializes in original 3D-modeled creations you won’t find anywhere else. Each product reflects professional design expertise and creativity.
Purchasing from Heyer 3D Design supports a passionate independent designer, not a faceless corporation—every purchase directly fuels more creativity.
Discover some of our most popular and innovative 3D printed model components
These detailed 1/64th scale barge models were originally designed as training aids but are now available to collectors and enthusiasts at an affordable price. Printed in four interlocking pieces, they offer flexibility for customization and improved seam quality when assembled by the buyer. Each model is made to order, with optional color requests and the opportunity for custom scaling or design upon request.
This custom-designed 3D printed kit replicates the Southern Pacific GS4 engine and includes detailed resin parts like the cab, boiler sections, tender sections, and more. Designed to fit American Flyer Northern chassis, the kit is unpainted and unassembled, allowing hobbyists to add their own finishing touches. Made to order in high-quality Sirayatech resin, it may require light prep work and careful drying during painting.
This custom 3D-printed Lackawanna Keyser Valley steel-sided caboose is based on original blueprints and prototype photos for historical accuracy. The kit includes the shell, chassis, and detail parts like handrails and brake wheels—just add trucks, couplers, and decals to complete it. Each model is made to order in PLA and may require light finishing; color may vary unless requested.