Epic/mods/stations/station_stone_carving.lua

local stone_carving_table_functions = simplecrafting_lib.generate_table_functions('stone_carving', {
   show_guides = true,
   alphabetize_items = true,}
)

local stone_carving_table_def = {
   description = 'Stone Carving',
   drawtype = 'mesh',
   mesh = 'stations_stone_carving.obj',
   tiles = {'stations_stone_carving.png'},
   use_texture_alpha = 'opaque',
   sounds = default.node_sound_wood_defaults(),
   paramtype2 = 'facedir',
   paramtype = 'light',
   selection_box = {
      type = 'fixed',
      fixed = {-.4, -.5, -.4, .4, 1.25, .4},
      },
   collision_box = {
      type = 'fixed',
      fixed = {-.4, -.5, -.4, .4, 1.25, .4},
      },
   groups = {oddly_breakable_by_hand = 1, cracky=3},
   after_place_node = function(pos, placer, itemstack)
      if not epic.space_on_top(pos) then
         minetest.remove_node(pos)
         return itemstack
      end
      local meta = minetest.get_meta(pos)
      meta:set_string('infotext', 'Stone Carving')
   end,
   after_dig_node = function(pos, oldnode, oldmetadata, digger)
      epic.remove_top_node(pos, oldnode)
   end,

}
for k, v in pairs(stone_carving_table_functions) do
   stone_carving_table_def[k] = v
end

minetest.register_node('stations:stone_carving', stone_carving_table_def)


local stone_carving_locked_functions = simplecrafting_lib.generate_table_functions('stone_carving', {
   show_guides = true,
   alphabetize_items = true,
   protect_inventory = true,}
)

local stone_carving_locked_def = {
   description = 'Stone Carving (locked)',
   drawtype = 'mesh',
   mesh = 'stations_stone_carving.obj',
   tiles = {'stations_stone_carving.png'},
   use_texture_alpha = 'opaque',
   sounds = default.node_sound_wood_defaults(),
   paramtype2 = 'facedir',
   paramtype = 'light',
   selection_box = {
      type = 'fixed',
      fixed = {-.4, -.5, -.4, .4, 1.25, .4},
      },
   collision_box = {
      type = 'fixed',
      fixed = {-.4, -.5, -.4, .4, 1.25, .4},
      },
   groups = {oddly_breakable_by_hand = 1, cracky=3},
   after_place_node = function(pos, placer, itemstack)
      if not epic.space_on_top(pos) then
         minetest.remove_node(pos)
         return itemstack
      end
      local meta = minetest.get_meta(pos)
      meta:set_string('infotext', 'Stone Carving (Locked)')
   end,
   after_dig_node = function(pos, oldnode, oldmetadata, digger)
      epic.remove_top_node(pos, oldnode)
   end,
}
for k, v in pairs(stone_carving_locked_functions) do
   stone_carving_locked_def[k] = v
end

minetest.register_node('stations:stone_carving_locked', stone_carving_locked_def)

local is_uninv = minetest.global_exists("unified_inventory") or false
if is_uninv then
   unified_inventory.register_craft_type("stone_carving", {
      description = "Stone Carving",
      icon = 'stations_stone_carving_icon.png',
      width = 4,
      height = 2,
      uses_crafting_grid = false
   })
end