@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(getClass().getSimpleName()).append("{\n");
        for (BufferRegion r : regions) {
            sb.append("    ").append(r).append("\n");
        }
        sb.append("}");
        return sb.toString();
    }
Set NatureHint to hint the renderer on how to use this data. 

@param natureHint
jme3-core/src/main/java/com/jme3/shader/bufferobject/BufferObject.java