{
"type": "minecraft:crafting_shaped",
"pattern": [
"I-I",
"# #"
],
"key": {
"I": {
"item": "minecraft:stick"
},
"-": {
"item": "minecraft:stone_slab"
"#": {
"tag": "minecraft:planks"
}
"result": {
"item": "minecraft:grindstone"