If you have built your own exposure unit, you have most likely discovered that holding a screen firmly against the glass and the film positive during the exposure process can be a problem.
Each screen burning session often becomes a trial and error process that produces inconsistent results. What you need is a device that will work effectively each and every time you burn a screen. There is a simple solution to this problem. In the ASPA Screen Hold-Down "how-to" tutorial, we show how to make an effective, low cost screen hold-down that works perfectly each time you burn a screen. Get the complete plans, only $4.99.