hifor my final year dissertation I am looking for 3D blocks of machines that are found on a shop floor like, for example milling machines, injection molding machines, lathes and othersmoreover i need their respective 2d block used for the shop floor plan.can any one guide me on where i can find thesethanks gilbert90

A website called '3D content central' has some.
Google what your looking for, there are many more. But you will need aplicable software to handle them, I assume you do.
Good luck!

Re: Google , i tried a lot of searches  but i couldn't find of a whole machine but of single components like for example screws and similar staff.i will have a look at that websiteregards gilbert90