<div>This looks like a good, free, software set.  It has all the basic stuff and can be upgraded for money if you like.  It also does not expire.</div><div>
</div><div> I have not used it myself...  I have AutoCAD 2012.</div><div>
</div><div>Good luck.</div><div>
</div><div>http://www.cadlogic.com/products/draftit/</div>