Reference: https://www.bloodborne-wiki.com/2015/11/balcony-key.html
Game-ready real-time asset. Modeled base in Maya, sculpted in ZBrush, used Houdini SideFX Labs Tools to make the game-res low-poly, textured with Substance Painter, rendered in Marmoset Toolbag.
Thank you for your attention.
For more, visit my ArtStation: https://www.artstation.com/alexandriel.