AutoProject - project 3D
entities to 2D entities in the XY plane in AutoCAD model space, from
Cadopolis
AutoSolids
- creates 3D solid models from within AutoCAD and AutoCAD
Mechanical, also available is AutoSolids EXPRESS, a low-cost version
with most of the features of the standard product (reviews)
Objects Online - online collection of parametric 3D objects for
ArchiCAD and VectorWorks
PhoToPlan
- true-to-scale digital image rectification software from Kubit (reviews)
Steel Stubs
- comes with its own menu, toolbar, PowerPoint tutorial, stand-alone
help files and a database for your custom shapes, for AutoCAD and
Mechanical Desktop
Streamspace Solids - solid modeler for
AutoCAD and AutoCAD LT that provides grips editing capabilities
VIZually Rich
- turns AutoCAD/ADT drawings into 3D renderings in Autodesk VIZ or 3ds max,
from Adris