Design your 3D model in Fusion 360, AutoCAD, SolidWorks, or other software. Alternatively, you can download 3D models from websites like thingiverse.com, grabcad.com/library, myminifactory.com.
Luban supports seven file formats for CNC carving: .svg, .dxf, .png, .jpeg, .jpg, .bmp, and .stl.