Eric Carle Museum of Picture Book Art Eric Carle Museum of Picture Book Art The Eric Carle Museum of Picture Book Art is a museum devoted to the art of the picture book and especially the children's book. It is a member of Museums10 and is adjacent to the campus of Hampshire College in Amherst, Massachusetts. The Carle was founded by Eric and Barbara Carle, and designed by Juster Pope Frazier Architects. Together with his wife Barbara (1938-2015), Eric Carle, the author and illustrator of more than 70 books, including the 1969 classic "The Very Hungry Caterpillar", founded the museum. It was the first full-scale museum in
Hole punch can only be applied to paper formats that are at least high. Another standard also occasionally used in the US is a "filebinder" system. Its two holes are positioned symmetrically, with the centers apart. In Sweden, a four-hole national standard is almost exclusively used. The centers of the holes are 21 mm, 70 mm and 21 mm apart. The guides help keep the paper in a straight line. The official name of this four-hole system is "triohålning", since it was adapted to the "Trio binder" which was awarded Swedish patent in 1890. The binder's inventor, Andreas Tengwall, supposedly named it