Google just announced the release of SketchUp 7. SketchUp is a 3D modeling program with a fairly robust free version. They’ve added quite a few features and the one that caught our eye in particular was dynamic components. Dynamic components have behavior specific to the object. The example in the video above shows a staircase changing the number of steps as its height is increased instead of distorting the overall staircase shape. The new version also allows for interaction, so model properties change based on user actions.

Google has always encouraged sharing of objects created in SketchUp. Thingiverse launched today with a similar emphasis. The site is built to encourage the exchange of plans for physical objects. It supports many different file types from plain images, AutoCAD dxfs to Eagle schematics. Many of the designs already posted are made to be cut out by a laser cutter or built by a 3D printer.

[via Make]

I’ve received a few tips on this, and somehow it keeps slipping by. The fab@home project immediately reminds me of reprap. This is a completely open source hardware project for rapid prototyping/3d modeling. In the past, manufacturing something like a turkey baster bulb required injection molding. The project wiki has full details on building your own, including manufacturing houses to get all the acrylic laser cut. It looks like you could get your hands on one of these pretty easily if you don’t mind making a dent in your wallet. Thanks to [nickjohnson] and [peter B]. [peter B] also noted that the cornell boys have an even nicer one that they use to make zinc-air batteries and artificial muscles.

If you happen to be in Berlin on December 27th, you might want to sign up for Fabienne’s wifi detector hacking workshop at 23c3.