Revit library free download (Windows).CAD Forum - Where can I download content libraries for Revit? Looking for: downloading andinstalling Revit material library - Revit Forum Click here to DOWNLOAD Autodesk revit 2016 content library free - Revit families are crucial part of Revit, as each 3D building model is made from hundreds or thousands of different Revit families. The model — is the entire building in Revit as a whole. Family categories — types of elements that a building can is made from: columns, floors, walls, doors, windows etc. Families — different types of columns: for example, rectangular column, round column, rolled I-beam column. Each individual column is called a Instance. Families creation is a large and complex topic. Only when you know all the basic functions can you start creating families. Autodesk has made a detailed guide. Updated article with door families. Added over door families. Single-leaf, double-leaf, indoor, outdoor, garage and many o