try {
FillerManager.registry = new FillerRegistry();
// INIT FILLER PATTERNS
FillerManager.registry.addPattern(PatternFill.INSTANCE);
FillerManager.registry.addPattern(new PatternFlatten());
FillerManager.registry.addPattern(new PatternHorizon());
FillerManager.registry.addPattern(new PatternClear());
FillerManager.registry.addPattern(new PatternBox());
FillerManager.registry.addPattern(new PatternPyramid());
FillerManager.registry.addPattern(new PatternStairs());