Pete,overhead transparency ? ouch! That ideal was so 1970's LOL!
I used my digital camers and took a good ole fashion picture of the vignette wall with swastika already painted on,I used the swastika and the outer bricks as registration marks,then I used photoshop to size it down to the nearest brick. Then printed it out and cut out the lettering and taped it into the position using the registrations that I had,bricks and the swastika. and Bingo there it was! Thanks guys for the feedback.Mrosko