When a reader needed a recommendation for cheap 3D design software, our Helproom expert knew just what to recommend.

QUESTION I'm struggling to find some interior design software for cafés and restaurants for use on my Windows 7 PC. Are you able to recommend some user-friendly software? Cameron Carter

HELPROOM ANSWER Google SketchUp is a free application that's useful for all sorts of 3D design. It's very powerful, but designed with ease of use in mind; plenty of online tutorials can help you get started.

If you need more functionality, upgrade to Google SketchUp Pro. This adds professional features and a 2D LayOut module.

For more simple tasks, such as creating quick floor plans, you can try a site such as floorplanner.com. This runs within your browser, so you don't need to download and install additional software. As with Google Sketchup, the basic version is free. More advanced options can be added on a sliding price scale.

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