Logo featuring a robotic arm and the text "One Off Castings."

Your Fast-Track Partner for One-Offs, Legacy Parts & Problem-Solving Castings

At One Off Castings, we specialize in short-run metal casting and rapid prototyping. Based in Northeast Arkansas, our foundry is driven by a passion for solving complex casting challenges with precision and speed.

What We Offer 

Close-up of a circular metal part with bolts and rivets

At One Off Castings, we specialize in solving complex casting problems through a combination of precision engineering, reverse engineering capabilities, and flexible short-run production. Our team understands the technical demands of legacy part replication, tight-tolerance prototypes, and low-volume metal casting — and we respond with solutions that are practical, fast, and reliable.

Whether you already have a CAD file or need help recreating a part through reverse engineering, we’re built to step in where traditional foundries can’t. While a model is required for production, our team can assist in creating one if needed

What You Can Expect:

  • Precision & Speed – Dimensional accuracy, fast turnaround, and consistent results

  • Reverse Engineering Support – Castings reproduced from samples, drawings, or scanned models

  • Engineer-to-Engineer Collaboration – Clear communication and technical alignment at every step

Capabilities

  • Close-up of an industrial machine part, likely a turbine or compressor component, covered in dust.

    Patterns & Tooling

    Custom Aluminum Patterns and Tooling Built for Longevity


    Our skilled team creates durable aluminum patterns and tooling, designed for both precision and longevity. These tools are crafted to ensure that every casting maintains exceptional quality and consistency throughout the production process.

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  • A CNC machine operating with coolant spray and metal shavings.

    CNC Machining

    Precision CNC Machining for Exacting Specifications


    Utilizing state-of-the-art CNC machinery, we provide high-precision machining services for intricate geometries. Our process guarantees that every part meets the exact specifications, ensuring a perfect fit and high-quality performance.

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  • A person's hand is placed on a wrapped package with a label reading 'Made in the U.S.A.' on a wooden pallet.

    Low-Volume Production

    Traditional Techniques, Modern Technology for Precision

    Bring your ideas to life with our low-volume casting services—ideal for testing, short-run production, or urgent delivery timelines.

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  • Man in a workshop using a 3D scanner on a metal component next to a computer display.

    Inspection/Quality Control (QC)

    Comprehensive Inspection for Highest Quality Standards


    Our QC process ensures that every product meets the highest industry standards. Through rigorous inspections and advanced techniques, we guarantee precision and reliability in every casting.

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  • Industrial 3D printer and equipment in a workshop.

    3D Sand Printing

    Intricate Molds with Unmatched Design Flexibility


    Using advanced 3D sand printing technology, we create highly detailed, customized molds for unique and complex casting needs. This cutting-edge process allows for flexibility in design, making it ideal for one-off projects.

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  • Industrial robotic arm in a factory, working on a metal piece.

    Robocasting

    Advanced, Patternless Casting with Customization


    Utilizing state-of-the-art Robocasting technology, we produce precise, patternless castings tailored to your specific requirements—ideal for intricate designs, tight timelines, and one-off or low-volume production needs.

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  • A worker in a hat and gloves using a tool on a machine part in an industrial setting.

    Rapid Prototyping

    Precision Rapid Prototyping for Complex Castings


    From concept to completion, we offer fast and accurate prototyping solutions. Our team works with you to create custom, one-off prototypes that meet your exact specifications.

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  • 3D model of a mechanical component with thermal stress analysis, showing color variations indicating heat distribution.

    Solidification/Engineering Design

    Advanced Engineering for Superior Castings


    With One Off Castings engineering expertise, we ensure that every casting is designed for optimal performance. Our solidification processes guarantee strength, durability, and efficiency.

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  • Two people in a meeting with laptops, discussing business in an office environment, seen through window reflections.

    Consultations & Design

    Tailored Consultation Services for Your Project

    Our consultation services are built around your project needs. We collaborate with you to finalize part designs and ensure manufacturability, helping you move from concept to casting with confidence.

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  • Industrial scene with forklifts handling molten metal in a foundry.

    Metals Poured

    Precision Pouring of a Variety of Alloys


    We expertly pour a diverse range of metals, from aluminum to specialty alloys, tailored to your specific project needs. Our pouring process guarantees the durability and strength required for each casting, ensuring it performs under demanding conditions.

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Metals Poured

Industrial foundry scene with molten metal being poured from a furnace into molds, forklift visible in the background.
Person spray painting a large turbine part

    • ASTM A48: 25 A or B, 30 A or B, 35 A or B, 40 A or B

    • ASTM A278: 25 A or B, 30 A or B, 35 A or B, 40 A or B

    • ASTM A436: N1B

    • ASTM A536: 100-70-03, 80-55-06, 65-45-12, 60-40-18

    • ASTM A439: D2

    • ASTM A216: WCB, WCA, WCC

    • ASTM A352: LCB

  • Item descriptionASTM A351: CF3M, CF8M

    • ASTM A487: CA6NM CL A or B, CA15 Cl A or B

    • ASTM A743: CA6NM CL A or B, CA15 CL A or B, CF3M, CF8M

    • ASTM A744: CF3M, CF8M

    • ASTM A890: CD4MCuN

    • ASTM A995: CD4MCuN

    • ASTM B26: 319

    • ASTM B26: C355

    • ASTM B26: A356

    • In-house Aluminum heat treat

Worker wearing gloves and a blue coat performing welding work in a factory, holding a tool and emitting sparks from a metal object.
Close-up of a CNC machine in operation with metal shavings and coolant spray, showing precision machining process.

All In House 

What makes One-Off Casting unique:

  • We pour a wide range of engineering alloys, including steel, stainless steel, iron, and aluminum.

  • Four in-house robotic molders for increased casting precision and production efficiency.

  • In-house 3D sand printer for advanced mold-making capabilities.

  • We use 100% silica-free ceramic sand (Carbo) for superior casting quality and surface finish.

  • Full in-house heat treatment to enhance and control material properties.

  • Certified in-house inspection processes, including Liquid Penetrant (LPI) and Magnetic Particle Inspection (MPI).

  • In-house spectrometers ensure accurate chemical composition analysis.

  • In-house tensile bar testing for mechanical property validation.

  • Advanced casting simulations using in-house MAGMA and NovaCast software.

  • Seamless integration across engineering, simulation, mold production, pouring, and heat treatment—all under one roof.

Industrial robots in a factory working on machinery parts.
A person placing a hand on a wrapped industrial product with a "Made in the U.S.A." label, secured with plastic and straps, on a wooden pallet.
Technician performing nondestructive testing on metal part with Magnaflux equipment
Close-up of cylindrical textured objects in an industrial setting with blurred red and blue colors in the background.
Individual inspecting industrial part with flashlight and gloves
Close-up of metallic abstract geometric shapes, focusing on circular and curved elements with a textured surface.

Need Help With a Casting Challenge?