List of Floor Crafting Commands

Objectives
scoreboard objectives add item dummy
scoreboard objectives add onGround dummy
​scoreboard objectives add crafted dummy

scoreboard players set @e[type=Item] onGround 0 {OnGround:0b}
scoreboard players set @e[type=Item] onGround 1 {OnGround:1b}
 
scoreboard players set @e[type=Item] item 1 {Item:{id:minecraft:diamond_sword}}
scoreboard players set @e[type=Item] item 2 {Item:{id:minecraft:nether_star}}
scoreboard players set @e[type=Item] item 3 {Item:{id:minecraft:stick}}
scoreboard players set @e[type=Item] item 4 {Item:{id:minecraft:piston}}
 
execute @e[type=Item,score_item_min=1,score_item=1,score_onGround_min=1] ~ ~ ~ execute @e[type=Item,score_item_min=2,score_item=2,score_onGround_min=1,r=1] ~ ~ ~ scoreboard players set @e[type=Item,r=1] crafted 1
execute @e[type=Item,score_item_min=1,score_item=1,score_onGround_min=1] ~ ~ ~ execute @e[type=Item,score_item_min=2,score_item=2,score_onGround_min=1,r=1] ~ ~ ~ /summon Item ~ ~ ~ {Item:{id:diamond_sword,Count:1,tag:{Unbreakable:1,display:{Name:Ultimate Sword,Lore:[Super GG Sword Yeah Legit]},ench:[{id:16,lvl:100},{id:19,lvl:10}]}}}
execute @e[type=Item,score_item_min=3,score_item=3,score_onGround_min=1] ~ ~ ~ execute @e[type=Item,score_item_min=4,score_item=4,score_onGround_min=1,r=1] ~ ~ ~ scoreboard players set @e[type=Item,r=1] crafted 1
execute @e[type=Item,score_item_min=3,score_item=3,score_onGround_min=1] ~ ~ ~ execute @e[type=Item,score_item_min=4,score_item=4,score_onGround_min=1,r=1] ~ ~ ~ /summon Item ~ ~ ~ {Item:{id:stick,Count:1,tag:{display:{Name:Knockback Stick,Lore:[Knock your enemies miles away!]},ench:[{id:19,lvl:15}]}}}
execute @e[type=Item,score_crafted_min=1,c=1] ~ ~ ~ /particle smoke ~ ~ ~ 0.1 0.5 0.1 0.1 100
execute @e[type=Item,score_crafted_min=1,c=1] ~ ~ ~ /playsound random.anvil_use @a[r=10] ~ ~ ~ 1
kill @e[type=Item,score_crafted_min=1]