docs: public AlignedBox3d toBoundingBoxWithCtrlPoints() {
  		AlignedBox3d bb = this.logicalBounds==null ? null : this.logicalBounds.get();
  		if (bb==null) {
  			bb = new AlignedBox3d();
  			buildLogicalBoundingBox(bb);
  			this.logicalBounds = new SoftReference<>(bb);
  		}
  		return bb;
  	}