CAD Import .NET is an easy-to-use API for reading AutoCAD DWG and DXF in C#, VB.NET and other .NET applications. It is completely programmed in C# and supports the following entities: 3dFace, Arc, Attdef, Block, BlockRecord, Circle, Dimension, Ellipse, Insert, Layer, Line, LWPolyline, MText, TableItem, Polyline, Solid, Style, Table and Text and properties: Extrusion, LineType, Color, 3D rotation and more. Supports BMP, JPG, Tiff, GIF, ICO.

Totally free professional Computer Aided Design (CAD) software allows one to design in 2D and 3D. Easy uncluttered interface yet powerful. This free CAD software not only lets you draw objects but you can actually have your parts made! Price and order your parts instantly via the internet. The software provides immediate expert design analysis of objects made by milling, turning, punching, laser cutting, wire cutting, extrusion and more.

3DWebButton is a PC-based software package that offers an easy-to-use, step-by-step approach to creating sophisticated 3D buttons and headings for use on Internet sites. Very professional output can be quickly and easily produced by the most inexperienced non-graphics artist using this program. Now with javascript roll-over effects!

Mesh To Solid for Rhino is a plug-in for Rhino 2.0 and 3.0. This plug-in gives Rhino to ability to convert a mesh into a solid.

Mesh To Solid for Rhino is very easy to use. It adds a new command to Rhino called "MeshToSolid". Simply type "MeshToSolid" at the command prompt and select the mesh you wish to convert into a solid.

3D GIF Designer produces animated high-quality 3D pictures,
titles, banner ads and buttons for your Web page or for a
presentation. You can create animations from your own
pictures (JPG, GIF, BMP, AVI) and easily add 3D text and
shapes. The sprites technology enables to control over
placement, size, motion, appearance, soft-edged shadows and
opacity.

The calculation solves area characteristics of profiles created in a simple graphic editor and mass characteristics of solids created by extrusion or rotation of the profile. Area characteristic are solved for main and turned axis and also all graphs are available as well. Application is developed in MS Excel, is multi-language and supports Imperial and Metric units.