I've used acrylic gloss medium or mat medium and it worked fine. I would
also finish the base unless you mounted it on a wood base. I think the
spray acyrlic finish would work first. I know the acrylic paint works.
Some of the students used a single color for their work. Fran
> My middle school students are working on small plaster sculptures. I was > wondering if anyone had good ideas about what kind of finish to use on > these to reduce the chalky feeling, and to help keep them from collecting > dirt and dust. I would like to keep them white or monochromatic. Thanks > Paula > >