1)   S3Dfree 2000 6
S3Dfree 2000 is the FREE unregistered version of Solid3D. Solid3D Fastener library is a productivity tool for AutoCAD allows you to create solid models of assorted Nuts, Bolts, Screws and Washers.
fastener, cad shareware, AutoCAD, AutoCAD add-ons, Shareware, Cad, Lisp, Autolisp, Freeware, parts,

 2)   IsoMaker 2000 6
IsoMaker 2000 is a technical illustration drawing aid for AutoCAD. It converts 2D AutoCAD entities into isometric entities. Its function is to convert orthographic views into isometric views.
isometric, cad shareware, AutoCAD, AutoCAD add-ons, Shareware, Cad, Lisp, Autolisp, engineer, architecture,