In BDEngine, there are different options and ways to import models: To import a Minecraft command, copy it and use [Ctrl+V] directly into the BDEngine. You can also import commands from Axiom by pressing [Ctrl+V] directly into BDEngine. You can either open .bdengine files, via the menu at the top of the editor, or by dragging the file with the mouse, directly into the BDEngine window.