Hammers on wooden planksWooden planks have been selected by sound and if you look carefully you will find some of hammers on the picture.https://algo.mur.at/projects/microcontroller/escher/fotos/first_usage/hammer_in_lines.jpg/viewhttps://algo.mur.at/projects/microcontroller/escher/fotos/first_usage/hammer_in_lines.jpg/@@download/image/hammer_in_lines.jpg
Hammers on wooden planks
Wooden planks have been selected by sound and if you look carefully you will find some of hammers on the picture.
