This holds your bands in place while you engrave them.
Get a clear heads-up view of your bands on a flat surface.
Use https://remove.bg to get a clear png of your watch bands, (use erase or restore to clear up any imperfections).
Upload the image to XCS and size it appropriately, then set it to entirely black with the grayscale slider.
Frame the design to your wood, cut it out, and you're finished!