I don't mind occasionally having to reinvent a wheel; I don't even min >>
Anything that won't sell, I don't want to invent. Its sale is proof of >>
In my own time there have been inventions of this sort, transparent wi >>
A new gadget that lasts only five minutes is worth more than an immort >>
I don't mind occasionally having to reinvent a wheel; I don't even mind using someone's reinvented wheel occasionally. But it helps a lot if it is symmetric, contains no fewer than ten sides, and has the axle centered. I do tire of trapezoidal wheels with offset axles.