CODE EXAMPLE FOR JAVA

jmonkey shapes

Geometry geom = new Geometry("A shape", mesh); // wrap shape into geometry
Material mat = new Material(assetManager,
    "Common/MatDefs/Misc/ShowNormals.j3md");   // create material
geom.setMaterial(mat);                         // assign material to geometry
// if you want, transform (move, rotate, scale) the geometry.
rootNode.attachChild(geom);                    // attach geometry to a node