Alibre Inc Save
Alibre Design is a low-cost parametric mechanical design application with CAD-neutral data sharing and online collaboration tools.
http://www.alibre.com/   

Ascon Group Save
Develops software for 3D Parametric Solid Modelling and 2D Drafting, with add-ons for motion simulation, photorendering, kinematic and dynamic analysis.
http://www.ascon.ru/english/   

Ashlar Inc. Save
Graphite 2D drafting as well as Cobalt, Xenon, and Argon versions of the Vellum 3D modelling software
http://www.ashlar.com/   

Autodesk Inventor Save
Solid modeling package for 3D mechanical design.
http://www.autodesk.com/inventor   

Autodesk Inventor Tutorials by Sean Dotson Save
Basic and advanced tutorials on the use and customization of Autodesk Inventor 3D CAD software, discussion forums and current CAD news.
http://www.sdotson.com/   

Autopipe Save
Software that calculates piping code stresses, loads, and deflections under static and dynamic loading conditions, with special features for buried pipeline analysis, wave loading, and fluid transients.
http://www.autopipe.com/   

CADables Save
TurboCAD hatch patterns, color palettes, and related resources.
http://catalog.stormloader.com/   

Cadsoft Solutions, Inc. Save
Developer of Concepts Unlimited, 2D 3D modeling tools for Mac and PC designers. Supports precise NURBS,analytices, rendering, animiation and drawing composition.
http://www.csi-concepts.com   

CoCreate Save
Provider of engineering collaboration software for product design, management, and development, CAD, PLM, mechanical engineering, and workflow management.
http://www.cocreate.com/   

Engineering Software Solutions Save
Developers of engineering based design software for special requirements in industries such as petrochemical, ship building, mining, civil, mechanical, structual, manufacturing, defence and aerospace.
http://www.ess.com.au/   

Enventive Engineering, Inc. Save
Software for the combination of preliminary design, mechanism motion simulation, travel and effort studies, critical parameter identification and analysis, optimization, and tolerance analysis.
http://www.enventive.com/   

Function Bay, Inc. Save
Virtual prototyping of complex mechanical systems with the RecurDyn software products.
http://www.functionbay.com/   

Intergraph SmartSketch Save
A 2D parametric drawing program for Windows, that works on AutoCAD and MicroStation files.
http://www.intergraph.com/imagine/   

IronCAD Save
Solid modeling software for mechanical designers and engineers.
http://www.ironcad.com/   

MCS, Inc. Save
Makers of the Anvil Express software for mechanical design, that also has manufacturing features.
http://www.mcsaz.com/   

Pilot3D Save
A relational trimmed NURB curve and surface 3D modeling program, useful for boat hulls and other applications.
http://www.pilot3d.com/   

ProSpur+ Save
A program designed to create drawings of spur gears, as symbols for ProCAD+ on Acorn RISC computers.
http://www.dsnell.zynet.co.uk/PS/ProS...   

Revware, inc. Save
Feature-based reverse engineering software for SolidWorks.
http://www.revworks.com/   

Romax Technology Save
Develops software for gear box design, dynamic simulation of gear shift synchronization, and related tasks.
http://www.romaxtech.com/   

Saga Software Save
TabletCAD is a computer program for designing medicinal tablet shapes, calculating tablet volume and surface area and producing tablet technical drawings.
http://simnet.is/sagasoftware/   

SeaSolution Save
CAD/CAM tool for geometric simulation and design focused at ship building and shell plates development.
http://www.seasolution.com/   

Sheet Lightning Save
Specialized engineering 2D/3D CAD shareware for sheet metal design and unfolding for fabrication and manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and multi-intersections.
http://www.revcad.com/sheet5/   

Sigmetrix LLC Save
Develops and supports CE/TOL, a tolerance and variation analysis software package for mechanical design and manufacturing processes.
http://www.sigmetrix.com/   

SketchCalc Save
A software that allows to calculate the properties of arbitrary profile sections, imported from DXF.
http://www.sketchcalc.com/   

SnapCAD Save
A mechanical design software package for TEMA type shell and tube heat axchangers and ASME pressure vessels.
http://www.snapcad.com/   

Solid ConceptMecaSoft Save
Develops and sells SolidConcept, a parametric 3D solid modeling software for creating parts, assemblies and automatic 2D drawings.
http://www.solid-concept.com/   

SolidWorks Save
A solid modeling program for mechanical engineers and designers, as well as add-on applications.
http://www.solidworks.com/   

SteelCad Save
Steel detailing software with packages for structural design, detailing, and manufacturing.
http://www.steelcad.com/   

Think3 Save
Produces mechanical CAD software for conceptual design through engineering to manufacturing for products in many industries.
http://www.think3.com/   

VariCAD Save
2D/3D mechanical engineering CAD System for Windows and Linux.
http://www.varicad.com/   

Washington Softwares Ltd. Save
Mechanical design software with 2-D drawing support for designing of centrifugal fans, pressure vessles (ASME & ISI standards), Gears, clutches, and couplings.
http://washingtonsoft.com/   

Zetaline Projects Limited Save
Presents the PipeData-Pro software family for piping designers and engineers [requires JavaScript and Flash].
http://www.pipedata.com/   

freeCAD Save
A basic CAD program for creating collections of 3D elements, which can be connected by joints, constraints, actuators, springs, dampers, or forces for running motion simulations.
http://www.askoh.com/   

Forum - Usenet comp.cad.i-deas
Forum - Usenet comp.cad.solidworks

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