Hpat - A library containing many hatch patterns for CAD, including stone, wood, roof patterns. Kochman Consultants, Ltd. - CAD symbol libraries for the food service, restaurant and commercial kitchen industries, for ordering on CD-ROM. CadToolsOnline.com - Block libraries of pipe fittings and 2D steel shapes for online ordering on CR-ROM . Hatch Patterns - A variety of hatch patterns for CAD, available to download. Includes wood and stone tilings. Compugraphx - A library of hatch patterns for CAD programs, with interactive selection and other utilities . Dimension CAD - CAD and 3D blocks in various categories , paid site . Code Zebra, Inc. - Technical symbols in many categories for CAD and Illustrator, as well as diagramming and title block management tools. ArchBlocks.com - Commercial site, sells architectural block libraries for CAD designers . Ceco.NET - Online libraries of AutoCAD DWG blocks, symbols, and templates for free download, including free AutoCAD drawings of peoples, cars, trees, chairs and vehicles . Details for a Dollar - Library of residential construction CAD details. Each is down-loadable for one dollar. Also option to purchase the entire library. PIRS On-Line - Selection of down-loadable Auto CAD drawing blocks, fonts, hatch pattern, and Auto LISP routines, for download based on the shareware concept. CAD Architect - Features a down-loadable CAD library of files for architects and design professionals. Cadro Pty Ltd - Offers the HatchKit software to create edit, and manage hatch pattern definition files for Auto CAD and other CAD systems. CAD Block Party - CAD blocks of people from different global regions including Africa, United Arab Emirates, East Asia, India and the West . CADhatch.com - Free Auto CAD hatch patterns including wood, stone, stonework patterns. Also has a hatch generator tool. CraneCAD - Offers CAD blocks of mobile cranes for download as DXG or DWG files . FireHouse Designs - CAD blocks for the architect, engineer and planner . Custom3d.com - Custom3d has high quality 2d and 3d blocks available for download . Architecture and design CAD - AutoCAD Blocks Libraries - Site to download thousand files .