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Mon, 27 Oct 2014
Glass and Paper
# 19:38 in ./art

I've done another picture based on a Will Kemp tutorial: painting a glass of water. I'd not seen this exercise before but it was referred to in a lesson I downloaded, so I decided to try it before the "real" one.

First version (click for larger) is on "canvas style" oil/acrylic paper :

I wanted to see if I could do better blending on the table top, so this is version 2 (on 140lbs hot pressed watercolour paper) :

The answer was .. not really! It didn't quite work out the way I wanted, but not too bad in the end. I think I prefer version 1 though.

Right now, I'd like to try and get to grips with blending acrylic paint, something hard to do because they dry so quickly. To blend, there (really) needs to be wet paint. There seem to be various ways of dealing with this problem, including drying "retarders", more "open" acrylic paint, "glazing" mediums etc. It all gets a bit much.

So, just now I'm playing around with painting some test spheres in black and white, trying glazing medium, slow-dri blending medium and maybe other things. You don't need to do smooth blends when painting, but it is definitely one of those things I'd like to master for those times they're useful. The alternative is using oils, but that's a whole different can of worms! I think I have a high threshold tolerance for painting test spheres - we'll see.

Another thing that makes a difference to blending (via drying time) is the surface you paint on. I've noticed this after trying oil/acrylic painting canvas paper, watercolour paper, canvas board and proper canvas. Some surfaces absorb the water much more quickly, which means watercolour paper might not be ideal if you want to blend (but adding a gesso surface to it helps I think).

A blend using Watercolour paper (here 140lbs/300gsm, cold-pressed but fine grain) :

That's with plenty wet paint around!

A rougher, textured canvas paper :

People demonstrating how to do acrylic blending (e.g. Youtube) often seem to show the above straight up-and-down rectangular type of example. The easiest to do! You really need to master something a bit harder e.g. spheres ...


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