1. Please do not use blocks like concrete to surround your schematic in order to copy the schematic itself. You can instead use a common block like dirt in diagonally opposing corners to copy the schematic 2. The fans do not blow in the right direction 3. there is no conversion from cobblestone to actual stone Farm does not work at all. Please test your farm before submitting it. Try to think if the materials or blocks you've used are reasonable to put in the schematics