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Is there a simple free program available to convert 2D autocad drawings to 3D models?

I have a few simple DXF drawings I need to convert to 3D models. Unfortunately I know begger all about CAD! I heard it may be possible to get a program that can just convert them into 3D if you tell it to what depth to extrude (or whatever). Can anyone help please?

Public Comments

1. i don't know two much about auto cad but i think u asked this Q in wrong category ask same Q in Engineering Section or in Auto Cad forums thanks,
2. Hi there - yes there is a solution and - thanks to Google - it is free. Go and download Google's SketchUp at: http://www.sketchup.com/ This is an amazing 3d modeling program and incredibly simple to get to grips with. It comes with great video tutorials on the website and you don't have to be a cad expert to follow them. You will be able to import your dxf files and build the 3d directly ontop using the dxf as your guide. There are programs you can buy which do similar intuitive parametric 3d such as Autodesk's Inventor and Revit. It depends on exacltly what you are modeling. But SketchUp is the top allrounder for all levels.