A simple way to make a title block is as follows:
When in doel space, draw a rectangle to the size of your title block, partition it off to mimic your original (paper) office title block.
Once you have set the text up to be the height you want, and set the colours and included any logos you may need, save the drawing as a file. As a rule, if the title block is for an A1 drawing, call it A1title, for A2, A2title and so on.
Save these into your support directory and then when you need a title block, just insert it either in paperspace at 1:1 or in modelspace at whatever scale you need it.
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Michael John Smyth
Irish / UK Representative
Efnet Autodesk Users Group
www.eaug.org