The pcb jigsaw is only for production convenience. For the board manufacturer, his substrate is generally relatively large. Many boards are made at one time and then cut out one by one. If the jigsaw is mainly used for welding production, Imagine a board with large fingernails being welded to an SMT machine the size of a car one by one.
Pcb puzzle has several definitions! Convenient customer plug-in is a convenient manufacturer to produce by itself is a material saving is one! Convenience plug-in is what customers want to fight like this, and you have to do it as required. It is convenient for manufacturers to produce V-cuts and so on. To save material is to use the material more perfectly without wasting or leaving too much waste! For example, the material of 1 meter 2 by 1 meter is perfect when you open a 34X41 CM puzzle.
