Over the next few days at ropes and poles I will be moving over to a new provider for e-mail updates- if you are signed up to get e-mail updates, please bear with me- it is possible you might get double e-mails in the next day or two. Hopefully it will be sorted out soon. If you are NOT already a subscriber, you can get the feed (RSS) here or e-mail by filling in this form:
I've also updated the Geodesic dome post based on some corrections sent in by the designers.
Finally, take a look at my tutorial on SketchUp, the software I use for the drawings on this site