I present you attached the cheapest manufacturing way, for simple pcb layer ( home made ) with semi-professional look , starting with 0,0375 Euro / cm2. Minimum quantity : 1 piece board) If someone need to build a prototype board or very small quantity ( up to 10 pcs / pcb ) , please feel free to contact me to : msdesignerpro@gmail.com Details to: https://circuiteimprimate.blogspot.com FR1 - 1-5mm copper 35um - yellow brown - single layer FR2- 1-5mm copper 35um - yellow brown - single layer FR4- 0-5 mm copper 35um - single layer FR4- 1 mm copper 18 um - single layer CEM1 - 1 mm copper 35 um - white single layer CEM3 - 1-5 mm cooper 35 um - light yellow single layer FR4- 1 mm cooper 35um - double layer FR4- 1-5 mm cooper 35um - double layer Special support: • CG-10 ; 0,1mm thick BLUE • CG-10 ; 0,2mm thick BLACK • FR4 ; 0,2mm thick, translucid Delivery: max 15 days after money incoming ( by Western Union transfer) FREE SHIPPING in EU countries for packages less then 100 grames. Shipping will be exclusively by National Post Mail Services ( with arrival confirmation receipt) and tracking number too.