Are you an engineer, draftsman, architect, landscape artist, surveryor, sheet metal wood or plastics designer that does all drawings using a t-square and triangle? Are you thinking about using CAD but worried about the cost involved? CADDIT is happy to release a new, complete free eBook entitled "CADDIT Guide: From Board Drafting and Hand Sketch Designs to CAD" to answer these questions and more. Even if you are a CAD designer with several years experience, the reference information given in this free publication is well worth having. This free eBook is available now from http://www.caddit.net/auto-cad/AutoCAD.php and is discussed on the CADDIT forum This eBook includes the first section of a CAD tutorial that demonstrates opening and editing AutoCAD files without AutoCAD software, using progeCAD Professional CAD software. More information about progeCAD is at http://www.caddit.net/store/index.php?main_page=product_info&products_id=1