We did this by just applying a layer of plaster to the plywood and it did
pop off.
Carolyn
> I want to introduce my students to Fresco painting however painting in
true
> Fresco would be too time consuming so I'm looking for a short cut to the
> process. I was thinking of foregoing the mortar application to the
plywood
> sheets and just applying a layer of plaster which the students can cartoon
> on then add plaster and egg tempra as they paint BUT I'm worried that if I
> skip the mortar application that the plaster may not adhere properly to
the
> plywood and slip or crack off. I've tried looking for scrap drywall but
> haven't found anyone willing to donate but I did get some nice plywood
wood
> boards for FREE. Any suggestions would be greatly appreciate.
> Mahalo,
> Cathy
> Honolulu, HI