@jollytinker I do love your post - just saw it today (yes - 9 months later)
Perhaps the OP should pop down to his local plumbers - buy a copper pipe - go get some mains cord - cut out the cable - go to a toy shop and use some marbles for bearings - and hey presto - he can say that's better than: SME V; Breuer; Durand; Basis Vector and Kuzma 4 Point.
Perhaps the OP should pop down to his local plumbers - buy a copper pipe - go get some mains cord - cut out the cable - go to a toy shop and use some marbles for bearings - and hey presto - he can say that's better than: SME V; Breuer; Durand; Basis Vector and Kuzma 4 Point.