Coloured chakra to use for meditation an crystals charging - energy grid
Colour the basswood with known chakras colour. Every baswwod sheet can host more then one coaster. So at the end you will have more chakra packages.
Colors are red - orange - yellow - green - blu - lilac - white/gold
In the original xcs, create as many tables as the chakras are (7) and then use every table for copy/paste design of every single chakra in order to fill all the basswood sheet.
Then engrave the internal design.
Then cut the cyrcle around.