Hi guys,I am a complete beginner to CAD so if you could take it slow with me it would be much appreciated. What I want to do seems fairly simple but I am having a fair bit of trouble with it. I just want to copy a drawing from one CAD file onto a drawing from another CAD file and have the scale the same.I have done this is the past with no scale issues but for some reason with this new set of drawings I am working with whenever I do it one is significantly bigger than the other (a batching plant is approx 10x the size of an entire floor plan)I have trawled through the internet and found lots of info on scaling but nothing has worked. surely this is a common thing and there is a fairly simple way to achieve it? Any help would be greatly appreciated.Thanks  

It could be something simple like the units for the two drawings are different meaning one is metric while the other is imperial or vice-versa.You could always bring the old drawing into the new one as a block then use the SCALE command with the REFERENCE option to rescale it.  Fairly simple procedure.