This paper model is the Wishing Lamp, a Keychain for Sora's Keyblade that appears in the Kingdom Hearts II video game, the papercraft is created by Mickey103. The Wishing Lamp is also one of the types of Keyblades left at the Keyblade Graveyard, albeit with minor design alterations.
The guard is similar to the Agrabah palace towers, while the blade rises from a wishing lamp at the center-top of the guard. The Keychain is Genie's wishing lamp. [Source: khwiki]
You can download this papercraft model template here: Kingdom Hearts II - Wishing Lamp Keyblade Free Papercraft Download