If traveling to Paris or Milan only to be stuck inside a convention center—strolling through aisle after aisle of home decor booths—is not your idea of a good time, then you may wish to seek out such international wares by emerging and established designers at a new event closer to home. The Collective Design Fair welcomes the public starting May 8. The four-day show will take place at Hudson River Park’s Pier 57 and feature vintage and contemporary pieces from 23 international galleries, including New York’s …