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Hi Brains Trust, Has anyone found a successful method for sweeping along an angled circle, but keeping the shape parallel to a plane? In the drawings below, the first pic is there just for perspective, so you don't end up as confused as I am. Imagine a spiral staircase. Each step is slightly...

Hi All, Newbie to the forum, so please accept my apologies in advance for asking what will probably be some rather basic questions. My current project is somewhat like a 'swash plate' pump, in that a rotating shaft imparts linear motion to objects situated parallel to the shaft axis. Below is...