Andrew Tischler on Instagram: "I use mediums when I paint in oils. This I find, can speed up my drying time and make things a little more convenient while working in the studio. I generally layer my paintings, form the block-in to the modeling and then the fine details I slowly build up the surface. Each medium behaves differently and you may want to experiment. I’ve found, working with Liquin, an Alkyd Resin, that I get a great fast dry but there’s a catch. I can’t use more than 1 part medium t