... Manual puzzle machine: MDK-230 (Max. making puzzle size is A5), MDK-490 (A4), MDK-630 (A3)2. ... than 10,000 times.4. The protecting board is 1.5mm thick, made of high degree cohesion ... designs could be available, any shape any size.How is the jigsaw manufacturing process ?The typical process involves ... print shop owner and map maker, John Spilsbury created the first jigsaw puzzle, about 1760. He mounted ...