In a bowl mix the water, agar agar, glicerol, calcium propinate, and mix untill its disolved
Heat the mix until reaches 70-80 °C, keep stirring while it heats.
Add the cherry pits powder, keep stirring for a couple of minutes at 80°C.
Pour the mix into the petri dish, or in any mold you want to use.
At the next day, add any form you want to stamp to the mold, we use different stencil shapes. Then and add a source of light, we recommend direct sun light or white light. Repeat this process for 4 to 6 days until the mix is dry.