Even though my modeled part is only about 1 inch in size? I tried using A or B size but the dimensions look too crowded.
Yes, you should be able to. Do you not have access to a D-sized sheet format?
You can use whatever size title block you want. As long as your company drafting standards allow
I only use D size. B size text minimum is (I think) .12 inches--way too big, way too crowded.
D size with .16 text reduces beautifully to B size.
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