In order to make smooth stone blocks in Minecraft, you'll need a furnace, fuel of your choice and regular stone blocks. Place the fuel in the bottom cell of the furnace and add stone blocks above it.
Warning: This addon does not work well from Blender 3.2 to 3.6 due to internal changes in vertex attributes in Blender. However, there is currently an 0.9.0 alpha release available that should work ...
This addon installation guide is for Blender 4.2+ and FLIP Fluids 1.8.1+ or FLIP Fluids Demo 0.8.1+. For installation in earlier versions of Blender, click here ...