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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® GT2-2M Timing Pulley - 14 Tooth  960 OpenBuilds® GT2-2M Timing Pulley - 14 Tooth  960
    SALE
    SALE

    GT2-2M Timing Pulley - 14 Tooth

    OpenBuilds®
    $4.79
    $5.29
    This 14 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 – 14 Tooth...
    Add to Cart
  • OpenBuilds® Threaded Rod Plate - NEMA 23 Stepper Motor  920 OpenBuilds® Threaded Rod Plate - NEMA 23 Stepper Motor  920

    Threaded Rod Plate - NEMA 23 Stepper Motor

    OpenBuilds®
    $8.99
    The Threaded Rod Plate is designed to attach to the end of V-Slot Linear Rail, allowing you to securely mount a NEMA 23 Stepper Motor. Once a bearing is installed, it supports threading an M8 Metric Acme Lead Screw for precise linear motion. Perfect for...
    Add to Cart
  • OpenBuilds® Motor Mount Plate - NEMA 23 Stepper Motor  910 OpenBuilds® Motor Mount Plate - NEMA 23 Stepper Motor  910
    SALE
    SALE

    Motor Mount Plate - NEMA 23 Stepper Motor

    OpenBuilds®
    $5.19
    $7.99
    Easily mount a NEMA 23 Stepper motor onto any plate or V-Slot Linear Rail with this versatile motor mount. Designed for flexibility, it allows for easy tension adjustments and supports various actuator configurations. Features: Slots for easy tension...
    Add to Cart
  • OpenBuilds® Xtreme Solid V Wheel Kit  465 OpenBuilds® Xtreme Solid V Wheel Kit  465

    Xtreme Solid V Wheels

    OpenBuilds®
    $6.69
    A heavy-duty alternative to Delrin Wheels, suitable for applications where more force and weight are introduced into the system. Perfect when additional accuracy is needed and less compression than in Delrin is desired. Features: Ultra-smooth finish for...
    Add to Cart
  • OpenBuilds® Nut Block for 8mm Metric Acme Lead Screw  740-Set OpenBuilds® Nut Block for 8mm Metric Acme Lead Screw  740-Set
    SALE
    SALE

    Nut Block for 8mm Metric Lead Screw

    OpenBuilds®
    $4.99
    $7.49
    This 8mm Acme Nut Block is a great choice for any Build requiring lead screw linear motion.   Product Features Recesses screw holes for non obtrusive placement Can be mounted on plates or V-Slot Works best with OpenBuilds Lead...
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  • OpenBuilds® 8mm Metric Acme Lead Screw  8mmMetricAcmeLeadScrew OpenBuilds® 8mm Metric Acme Lead Screw  8mmMetricAcmeLeadScrew
    SALE
    SALE

    8mm Metric Lead Screw

    OpenBuilds®
    $9.99
    $10.99
    These precision trapezoidal 8mm metric lead screws are a perfect combination of high torque and speed.   Product Features Large diameter helps eliminate whipping High pitch which provides a quick 8mm translation for every...
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  • OpenBuilds® Nut Plate for 8mm Metric Acme Lead Screw  855 OpenBuilds® Nut Plate for 8mm Metric Acme Lead Screw  855
    SALE
    SALE

    Nut Plate for 8mm Metric Lead Screw

    OpenBuilds®
    $4.49
    $6.99
    This V-Slot Acme Nut Plate is a perfect fit for any integrated Lead Screw transmission project.  It can fit into the hollow inserts of 20x40, 20x60 and 20x80 V-Slot Linear Rail. Product Features Easy to Mount on the ends of any V-Slot Linear...
    Add to Cart
  • OpenBuilds® 3GT (GT2-3M) Timing Pulley - 20 Tooth  830 OpenBuilds® 3GT (GT2-3M) Timing Pulley - 20 Tooth  830
    SALE
    SALE

    3GT (GT2-3M) Timing Pulley - 20 Tooth

    OpenBuilds®
    $6.99
    $7.99
    This 20 Tooth 3GT (GT2-3M) Timing Pulley has more aggressive teeth which can be used in higher torque applications. Product Features Light and sturdy 1/4” Bore fits NEMA 23 Stepper Motors   What is Included (1) 3GT (GT2-3M) Timing Pulley...
    Add to Cart
  •  3GT (GT2-3M) Timing Belt Spool  631-By-the-Spool  3GT (GT2-3M) Timing Belt Spool  631-By-the-Spool
    SALE
    SALE

    3GT (GT2-3M) Timing Belt Spool

    $359.99
    $449.99
    3GT Timing Belts are thick and robust with deep teeth grooves that provide a high torque for those large builds that require more power transmission. Product Features Precise Positioning Precision registration Curvilinear belt tooth provides timing and...
    Add to Cart
  •  3GT (GT2-3M) Timing Belt - By the Foot  626-By-the-Foot  3GT (GT2-3M) Timing Belt - By the Foot  626-By-the-Foot
    SALE
    SALE

    3GT (GT2-3M) Timing Belt - By the Foot

    $2.99
    $3.49
    3GT Timing Belts are thick and robust with deep teeth grooves that provide a high torque for those large builds that require more power transmission. Product Features Precise Positioning Precision registration Curvilinear belt tooth provides timing and...
    Add to Cart
  • OpenBuilds® Solid V Wheel Kit  480 OpenBuilds® Solid V Wheel Kit  480
    SALE
    SALE

    Solid V Wheel Kit

    OpenBuilds®
    $3.39
    $5.19
    Designed for smooth and precise motion for light to medium duty applications. Made from Delrin, a high-performance plastic known for its low friction and high wear resistance, these wheels ensure durability and reliable performance.  The flat...
    Add to Cart
  • OpenBuilds® GT2-2M Timing Pulley - 30 Tooth  200 OpenBuilds® GT2-2M Timing Pulley - 30 Tooth  200
    SALE
    SALE

    GT2-2M Timing Pulley - 30 Tooth

    OpenBuilds®
    $5.99
    $6.99
    This 30 Tooth GT2-2M Timing Pulley is great for any build but especially for those with high-resolution applications. Product Features Light and sturdy High accuracy position Smooth Surface   What is Included (1) GT2-2M Timing Pulley – 30...
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