open source product design

Getting Ready to Ship

The field testing of The Liberator Beta v2.0 is complete. If you look back at the 8-12 brick per minute goals in the last link, you’ll observe that we surpassed this with 13-16 bricks per minute in practice. I love it when a plan comes together....

PowerCube on LifeTrac

A universal mechanical power source is one of the key components of the Global Village Construction Set – the set of building blocks for creating resilient communities. The basic concept is that instead of using a dedicated engine on a particular...

Solar Cows

A friend of ours stops in from time to time unannounced, often with a technical question on his mind. Before the weather turned so cold, he asked if we had any ideas for keeping his pond open for the winter. We had nothing intriguing to offer; just a...

Turn On the Heat

When I was eight years old or so, my mom took us to the local lake. It was a particularly hot day and I put on sunscreen. After hours of fun in the lake, we came in for a picnic lunch. I was crispy. The swim suit straps had saved only a narrow stripe...