Geometric and strength designs of spiral cylindrical torsion springs loaded with static or cyclic loading. Application supports Imperial and Metric units, is based on ANSI, ISO, DIN standards and support many 2D and 3D CAD systems.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

It is a powerful windows program that will help you convert your PDF files to usable and editable DXF files quickly and easily, so you can recover the entities in PDF to corresponding DWG entities easily.

This multi-language calculation package includes solutions for gearing, belt, chain, springs, beam, shaft, and many others. MITCalc support 2D (and 3D) CAD systems, Imperial and Metric units and many international standards (ANSI, ISO, DIN….).

AutoCAD DXF Import/Export plug-in for VGEdit that allows to read and manipulate data from and to CAD industry standard DXF files. Easy to use, high-quality conversion.

{ Cadig TableBar 2.0 } integrates all table commands in AutoCAD 2005/2006 into a toolbar, just like the table toolbar in Microsoft Word. It's *Freeware*. == http://www.cadig.com==

Design and visualize your landscape in fast, photo-realistic 3D. Design houses, decks, gardens, patios, fencing, 3D plants, and more. It's fun and easy to use - no CAD experience required.

Create flow diagrams, org charts, program flowchart and other business and technical diagrams rapidly. Abundant flowchart templates, flowchart symbols and flowchart samples will help to quickly create most common flow diagrams.

3DM Import for AutoCAD is a Rhino 3D Model / OpenNURBS 3DM file import plug-in for AutoCAD. This plug-in gives AutoCAD the ability to import geometric data from 3DM files.

HPGL Export for SolidWorks is a HPGL plot file export add-in for SolidWorks. This add-in gives SolidWorks the ability to export geometric data from SolidWorks drawings to HPGL Plot (PLT) files.