Not my favourite challenge, but I looked out of the window and saw various triangles. I rearranged the clothes on the airer so they made definite triangles, and the coats on the cupboard were hanging down in a triangle. I left the standard lamp out because it didn’t help the composition. The acrylic paint I used is quite opaque and as the group I’m in is called Urban sketchers Stoke-on-Trent I felt the sketchy feel was OK. If I had been doing a ‘proper’ painting I would have done a more realistic, painterly I ture. But I was concentrating on the triangles….