Furniture, decorated with different shaped pads, looks nice. But to run any profile requires a special tool. The simplest may be a conventional steel tube with a razor-sharp edge. If slightly change its shape and the profile being processed will have a different look.
Recommend to read
HYDRAULICS IS THE TRANSMISSION
No short supply differential or planetary rotation mechanism, able to somedelicious nor difficult to manufacture the overrunning clutches is not required for the mini tractor (MT)....
THE FASTEST FIGHTER AIRCRAFT OF THE SECOND WORLD
The priority of the German aircraft industry in jet aircraft does not diminish the role of other countries that have joined before the Second world war in the "reactive" race. And each...