V6 Engine Design

I would like a V6 engine to be designed in Autodesk Inventor. I would only like for the crankshaft, pistons and the engine block to just be made and assembled together with an input such as a handle attached to show the movement of the pistons. I would like an exploded view of the final design with a dimensioned part drawing. this should fit an envelope of L200mm x W200mm x H300mm.