The latest Roman mosaics newsletter with details on how to draw out patterns freehand http://mailchi.mp/3bc97102a92a/roman-mosiacs-newsletter
The setting out instructions for the Four Hearts Interwoven motif have just been completed. This is a step by step guide to doing this mosaic without drawing out any pattern on your baseboard. It will be available to download through the shop later today. The drawing here shows one of the steps, there are 15 separate drawings in total.