The simplest type of Meshes are jME's default Shapes. You can use Shapes to build complex Geometries. Shapes are created without using the AssetManager.
3D shapes:
Non-3D shapes:
To add a shape to the scene:
Sphere sphereMesh = new Sphere(32, 32, 10, false, true); Geometry sphere = new Geometry("Sky", sphereMesh); rootNode.attachChild(sphere);