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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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  • OpenBuilds® Linear Actuator End Mount  2021 OpenBuilds® Linear Actuator End Mount  2021
    SALE
    SALE

    Linear Actuator End Mount

    OpenBuilds®
    $8.39
    $11.99
    Designed specifically for both horizontal and vertical NEMA 17 belt-driven setups, this robust stamped and folded aluminum mount is optimized for 20x40mm V-Slot Linear Rail. Its versatile mounting options and sleek, professional finish ensure...
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  •  GT2-2M Timing Belt Spool  472-By-the-Spool  GT2-2M Timing Belt Spool  472-By-the-Spool
    SALE
    SALE

    GT2-2M Timing Belt Spool

    $322.99
    $379.99
    There is no limit to the types of linear motion you can create by making an actuator based on one of this GT2-2M Belts, popular for fast and lightweight movement. Product Features Precise Positioning and Registration Curvilinear belt tooth provides...
  •  GT2-2M Timing Belt - By the Foot  470-By-the-Foot  GT2-2M Timing Belt - By the Foot  470-By-the-Foot
    SALE
    SALE

    GT2-2M Timing Belt - By the Foot

    $1.99
    $2.49
    There is no limit to the types of linear motion you can create by making an actuator based on one of these GT2-2M Timing Belts.  They are popular for fast and lightweight movement. Product Features Precise Positioning and Registration Curvilinear...
    Add to Cart
  • OpenBuilds® GT2-2M Timing Pulley - 20 Tooth  210 OpenBuilds® GT2-2M Timing Pulley - 20 Tooth  210
    SALE
    SALE

    GT2-2M Timing Pulley - 20 Tooth

    OpenBuilds®
    $2.99
    $5.99
    This 20 Tooth GT2-2M Timing Pulley is great for any build but especially for those high-resolution applications Product Features Light and sturdy High accuracy position Smooth Surface   What is Included (1) GT2-2M Timing Pulley – 20 Tooth...
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  • OpenBuilds® End Cap  715 OpenBuilds® End Cap  715
    SALE
    SALE

    End Cap

    OpenBuilds®
    $1.29
    $1.99
    Enhance the look and functionality of your V-Slot and C-Beam Linear Rails. This cap neatly covers the bare end of the rail, providing a polished and professional finish to your Build. Each end cap features a center holes designed for mounting with...
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  • OpenBuilds® Smooth Idler Pulley Kit  550 OpenBuilds® Smooth Idler Pulley Kit  550
    SALE
    SALE

    Smooth Idler Pulley Kit

    OpenBuilds®
    $3.89
    $5.99
    The Smooth Idler Pulley Kit is an easy to assemble free wheel that will complete any linear actuator that based on a timing belt. Product Features Channel lips for belt containment 9mm wide channel   What is Included (1) Smooth Idler...
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  • OpenBuilds® Mini V Gantry Plate  565 OpenBuilds® Mini V Gantry Plate  565
    SALE
    SALE

    Mini V Gantry Plate

    OpenBuilds®
    $6.49
    $9.99
    The Mini V Gantry Plate 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. Built from high-quality aluminum, the plate is...
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  •  Inside Hidden Corner Bracket  525-Set  Inside Hidden Corner Bracket  525-Set
    SALE
    SALE

    Inside Hidden Corner Bracket

    $1.49
    $1.99
    These Inside Hidden Corner brackets are ideal for creating 90 degree connections between linear rails, making them not visible from the outside of the frame on your build. Product Features Makes a sturdy connection Can be placed along the length of...
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  •  T Joining Plate   T Joining Plate
    SALE
    SALE

    T Joining Plate

    $1.99
    $2.99
    The T Joining Plate provides a durable and reliable fastening method for connecting two or more Linear Rails, ideal for creating strong, perpendicular joints. With precise hole placement, it allows for multiple positioning possibilities, giving you the...
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  •  Cast Corner Bracket  490  Cast Corner Bracket  490
    SALE
    SALE

    Cast Corner Bracket

    $0.79
    $1.19
    These Cast Corner Brackets are used to connect two V-Slot Linear Rails together for a 90 degree connection. "Mount this corner to V-Slot Linear Rail using M5x8mm Low Profile Screws and M5 Tee Nuts." Product Details Qty. 1...
    Add to Cart
  •  Cross Joining Plate   Cross Joining Plate
    SALE
    SALE

    Cross Joining Plate

    $2.99
    $4.49
    The Cross Joining Plate is designed for creating strong, reliable 90-degree intersections between two or more V-Slot Linear Rails. Its precision-drilled holes allow for secure and versatile positioning, making it an essential component for reinforcing...
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  •  2 Hole Joining Strip Plate   2 Hole Joining Strip Plate
    SALE
    SALE

    2 Hole Joining Strip Plate

    $0.99
    $1.59
    The 2 Hole Joining Plate is a simple yet effective solution for connecting two V-Slot Linear Rails side by side. Its compact design ensures a strong and secure connection, making it perfect for reinforcing builds without adding unnecessary bulk. 20 mm...
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