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by CliffStoll 2094 days ago
Smiles back to you, oh creator of forks!

I've tried several times to make a Boys Surface. It's really hard to do. Bending tubing around its own radius - really challenging. Easy to kink, difficult to get uniform. I've commissioned my friend Lucas Clarke and he's had encouraging results; alas but I've seen too many shards of 30mm diameter borosilicate tubing.

Will keep trying...