ARKANCE CZ (formerly known as CAD Studio, est. 1991, www.arkance.world and www.cadstudio.cz), is an Autodesk Platinum Partner, Training Center and Authorized Developer based in the Czech Republic. We offer hundreds of free add-on tools for AutoCAD, Inventor, Revit, AutoCAD Civil 3D and Plant 3D, Vault and Fusion. These tools plus thousands of CAD and BIM blocks and symbols are available for download through our portal CAD Forum at www.cadforum.cz with approx. 1.1 million registered users.