You can do this with Photoshop, make a transparent layer then draw opaque black over the principle lines and then delete the image layer then flatten image. Who wants to use nasty smelly poisonous chemicals now... Thank you for the idea. Chris. :> -----Original Message----- :> From: owner-photoforum@xxxxxxxxxxxxxxxxxx [mailto:owner- :> photoforum@xxxxxxxxxxxxxxxxxx] On Behalf Of James Schenken :> Sent: 15 April 2008 04:17 :> To: List for Photo/Imaging Educators - Professionals - Students :> Subject: Re: Potassium Iodine and permanent marker? :> :> Scott: :> :> Here is an article from Modern Mechanix magazine detailing what your :> student was talking about. :> :> http://blog.modernmechanix.com/2006/07/23/trick-drawings-from-photos/ :> :> The only thing left out was the requirement that the ink be :> waterproof ink similar to drafting ink. :> :> Kind of cool to have that resource still available. :> :> Cheers, :> James :> :> At 03:44 PM 4/14/2008 -0700, you wrote: :> >Hi group. :> > :> >I had a student pose an alternative process question for which I :> >cannot answer. :> > :> >Does anyone have an idea of what this student is referring to? :> > :> >" There was a technique I learned in high school which I'm pretty sure :> >is called :> >photo bleaching. It's where you draw over a black and white photo in :> >permanent :> >marker then let it sit in potassium iodine or some chemical. I was :> >wondering if :> >you were familiar with this technique, and if so, if you could help me :> >obtain :> >the materials I would need and teach me the exact process. I wanted to :> >use this :> >technique in my final black and white photography project." :> > :> > :> >Scott Weisman :> >Photography Studio Technician :> >University of Arizona :> >School of Art :> >Photography Program :> > :> > :> > :> :> James Schenken :>
