public static final StdImageSet getOrLoad(String name) {
		StdImageSet set = SETS.get(name);
		if (set == null) {
			List<StdImage> images = new ArrayList<>();
			for (int size : STD_SIZES) {
				StdImage img = StdImage.get(name + "_" + size); //$NON-NLS-1$
				if (img != null) {
					images.add(img);
				}
			}
			if (!images.isEmpty()) {
				set = new StdImageSet(name, images);
			}
		}
		return set;
	}