A + A Christmas trip to Amsterdam December 10, 2015 A + A took the Eurostar to Amsterdam for a long weekend to check out 3D printing Our host Pepjin (dutch for Popeye?) welcomed us to his wonderfully atmospheric early 20th century barge. Moored by the island of Ijburg: A + A headquarters for three days. White-capped waves in a city tied to water or beautifully undulating balconies? Amsterdam Noord on a sunny day.