This design is hereby designated 'open source', in other words you may improve upon it, you may sell copies of it - at your own risk and under your own warranty - but you accept the fact that we, the original designers DO NOT ACCEPT ANY LIABILITY IF YOU CHOOSE TO DO SO, either for losses incurred by you, or bystanders. I assume that is clear to normal thinking people, but legal cases in the last few years have shown clearly that even judges and juries don't know what common sense means anymore which is why you get licenses like this and little stickers on the mirrors of your car that inform you that what you see in your mirror is a distorted view of reality. It seems clear to me...

In short and simple words, if you decide to copy this design - against our express wishes that you should do so - you are entirely on your own.

If you do decide to build it and you have feedback - positive or negative - then we'd appreciate it if you amended these pages to add to the body of knowledge around this design.