I can remember first seeing these in Theo’s 2007 Ted Talk. I must have drawn than linkage about 10,000 times over the next few years. I always had big dreams of

I can remember first seeing these in Theo’s 2007 Ted Talk. I must have drawn than linkage about 10,000 times over the next few years. I always had big dreams of raiding dad’s plumbing supplies to make a version of one.