SketchUp is a free and easy to use 3D modeling program. And users have created a library of 3D models you can download. Up until recently most of these models were not particularly useful to DIY urban homesteady types. Enter SketchUp model contributor Rick whose collection of models includes the chicken nesting box above, raised garden beds and a couple of other useful projects.
I’m really looking forward to seeing more open source project models like this and hope to contribute some myself. If you know of any other useful 3D models, leave a comment.