Nielsen Bainbridge - 1000 Illustration Board - Hot Press - Double Thick - 30x40 - Nielsen Bainbridge 1000 Hot Press Double Thick All Purpose Illustration Board has a thicker width that makes it more durable for mounting artwork. Nielsen Bainbridge 1000 Illustration Board has a smooth, bright white, uncoated surface that makes it perfect for wet media and marker rendering. The surface can also be stripped off the backing board for laser scanning or repositioning sections of art.