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Modular Building System

We are proud to pioneer some of the most significant advances in linear motion being used in the world today! The OpenBuilds V-Slot Modular Building System. OpenBuilds began in 2013 with the simple idea to make an affordable open source system that allows anyone to build anything. Mark Carew designed and developed the first all-in-one modular linear rail that incorporates an internal "V" shaped track paired with self-centering V-Wheels and together they make a endless buildable linear motion system that is smooth, affordable and extraordinarily consistent. Today, V-Slot can be found all over the world from the finest institutions and workshops as well as in machine designs from CNC routers, lasers, 3D printers, linear actuators of all forms, lab equipment as well as camera studios, furniture and the list goes on... We are honored to know of all the businesses that have been started and the dreams that have come true using our system. V-Slot has gone viral because with it you can build anything!

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  • OpenBuildsĀ® ACRO Plate Set  2230 OpenBuildsĀ® ACRO Plate Set  2230
    SALE
    SALE

    ACRO Plate Set

    OpenBuildsĀ®
    $23.99
    $29.99
    Assemble your ACRO system quickly and effortlessly with this comprehensive 11-piece plate set. Designed for precision and convenience, these plates can be used in your custom designs or as replacement parts for your existing ACRO System...
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  • OpenBuildsĀ® XLarge C-Beam Gantry Plate  2030 OpenBuildsĀ® XLarge C-Beam Gantry Plate  2030
    SALE
    SALE

    C-Beam XLarge Gantry Plate

    OpenBuildsĀ®
    $9.99
    $14.99
    The C-Beam XLarge Gantry Plate provides unmatched stability and versatility. Engineered to support up to six full-size wheels, this thick aluminum plate ensures that you achieve a rock-solid gantry for both Lead Screw drive systems as well as Belt and...
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  • OpenBuildsĀ® C-Beam Gantry Plate - Double Wide  2026 OpenBuildsĀ® C-Beam Gantry Plate - Double Wide  2026
    SALE
    SALE

    C-Beam Double Wide Gantry Plate

    OpenBuildsĀ®
    $8.99
    $13.99
    The C-Beam Double Wide Gantry Plate is designed to host up to 8 Mini V Wheels, providing exceptional stability for your gantry. This elongated plate offers more mounting surface, allowing for versatile configurations. Professionally milled with...
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  • OpenBuildsĀ® V-Slot Gantry Kit - 20mm  1195-Set OpenBuildsĀ® V-Slot Gantry Kit - 20mm  1195-Set
    SALE
    SALE

    20mm V-Slot Gantry Cart

    OpenBuildsĀ®
    $26.99
    $31.99
    Compact and versatile linear motion component designed to work seamlessly within the 20mm side of V-Slot Linear Rail systems. Equipped with four Solid V wheels, ensuring reliable performance and stability along the rail. With its simple yet sturdy...
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  • OpenBuildsĀ® C-Beam Gantry Kit  1190-Set OpenBuildsĀ® C-Beam Gantry Kit  1190-Set
    SALE
    SALE

    C-Beam Gantry Cart

    OpenBuildsĀ®
    $33.99
    $39.99
    The C-Beam Gantry Cart is designed to provide reliable and smooth motion within the C-Beam Linear Rail and lead screw-driven systems. Its compact design positions the wheels neatly inside the track, minimizing the gantry’s footprint while...
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  • OpenBuildsĀ® Mini V Gantry Kit  1185-Set OpenBuildsĀ® Mini V Gantry Kit  1185-Set
    SALE
    SALE

    Mini V Gantry Cart

    OpenBuildsĀ®
    $29.99
    $34.99
    The Mini V Gantry Cart is an essential component designed to deliver smooth and precise linear motion. It is part of the Mini V Linear Actuator system, ideal for compact builds where precision is key and is designed to work seamlessly with the V-Slot...
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  • OpenBuildsĀ® Anti-Backlash Nut Block for 8mm Metric Acme Lead Screw  1055-Set OpenBuildsĀ® Anti-Backlash Nut Block for 8mm Metric Acme Lead Screw  1055-Set
    SALE
    SALE

    Anti-Backlash Nut Block for 8mm Metric Lead Screw

    OpenBuildsĀ®
    $8.99
    $9.99
    This Anti-Backlash Nut Block for 8mm Lead Screw is a great choice for many build projects requiring lead screw linear motion where high precision and repeatability with zero play or slop is needed.   Product Features Screw and nut for secure and...
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  • V-SlotĀ® V-Slot 40x40 Linear Rail  VSlot40x40LinearRail V-SlotĀ® V-Slot 40x40 Linear Rail  VSlot40x40LinearRail
    SALE
    SALE

    V-Slot 40x40 Linear Rail

    V-SlotĀ®
    $4.99
    $6.99
    V-Slot® Linear Rail V-Slot Linear Rail aluminum extrusion profile is the ultimate solution combining both linear motion and a modular, structural framing system. It's lightweight yet rigid and provides an ultra...
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  • OpenBuildsĀ® Router / Spindle Mount  990-Set OpenBuildsĀ® Router / Spindle Mount  990-Set
    SALE
    SALE

    Router / Spindle Mount

    OpenBuildsĀ®
    $20.79
    $31.99
    Ensure the secure mounting of your router or spindle with this robust and adjustable mount. The thick and hefty design provides a stable base, while the adjustable faceplate accommodates size variations. This mount features pre-tapped holes for easy...
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  • OpenBuildsĀ® C-Beam Linear Rail  CBeamLinearRail OpenBuildsĀ® C-Beam Linear Rail  CBeamLinearRail
    SALE
    SALE

    C-Beam Linear Rail

    OpenBuildsĀ®
    $7.99
    $8.99
    C-Beam® Linear Rail C-Beam Linear Rail aluminum extrusion profile is the ultimate solution combining both linear motion and a modular, structural framing system. It's lightweight yet rigid and provides an ultra...
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  • OpenBuildsĀ® C-Beam Gantry Plate  970 OpenBuildsĀ® C-Beam Gantry Plate  970

    C-Beam Gantry Plate

    OpenBuildsĀ®
    $9.49
    The C-Beam Gantry Plate is designed to provide reliable and smooth motion within the C-Beam Linear Rail and Lead Screw-driven systems. Its compact design positions the wheels neatly inside the track, minimizing the gantry’s footprint while...
  • OpenBuildsĀ® C-Beam End Mount  965 OpenBuildsĀ® C-Beam End Mount  965
    SALE
    SALE

    C-Beam End Mount

    OpenBuildsĀ®
    $6.29
    $8.99
    Ensure seamless integration of your motor with the C-Beam Linear Rail using the versatile C-Beam End Mount. Designed with pre-threaded holes and a bearing recess for lead screw transmission, this mount also features additional countersunk holes for flush...
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