Dragon Tree Hanging Sign is a item from Unknown Mod, crafted from Chain and Dragon Tree Stripped Log.
Crafting using Chain, Chain, Dragon Tree Stripped Log, Dragon Tree Stripped Log, Dragon Tree Stripped Log, Dragon Tree Stripped Log, Dragon Tree Stripped Log and Dragon Tree Stripped Log, arranged in the pattern shown. Produces 3× Dragon Tree Hanging Sign.
Crafting 
Dragon Tree Hanging Sign ×3 guaranteed
betterend:dragon_tree_hanging_signbetterendunknownminecraft:blocks/ceiling_hanging_signs minecraft:blocks/mineable/axe minecraft:items/hanging_signs
Recipe JSON (1):
{
"recipe_type": "minecraft:crafting_shaped",
"pattern": [
"I I",
"###",
"###"
],
"ingredients": {
"#": {
"item": "betterend:dragon_tree_stripped_log"
},
"I": {
"item": "minecraft:chain"
}
},
"conditions": [],
"sequence": null,
"group_name": "sign",
"experience": null,
"cooking_time": null
}