I'm sure you can find one in any of the pattern books,or google "pattern for printer".
Kathi

I don't think you need a pattern really. Kind of like patterns you get for making a slipcover. You pretty much just get instructions on how the measure since no two items would be the same.

Here's some directions from ehow.

Here is a link that might be useful: make a printer cover

Thank you quiltglo.