180*15 #4 machining allowance:5 35*15 #8 machining allowance:5 12*6 #1 machining allowance:5 12*8 #2 machining allowance:5 Process method:cutting Tools:electric saw Auxiliary materials:pencil,ruler,file(锉刀)； According to the required size,divide the sheet into several parts and label the cutting path on the plate using the pencil.(allowing sufficient allowance 5mm on each side )Cut the plate along the cutting path.Mill the rough edges with the file,make the edges smooth,remove the allowance and make them into the required size.180*15 #4 machining allowance:5 35*15 #8 machining allowance:5 12*6 #1 machining allowance:5 12*8 #2 machining allowance:5 Process method: cutting Tools: electric saw Auxiliary materials: pencil, ruler, file(锉刀)； According to the required size, divide the sheet into several parts and label the cutting path on the plate using the pencil.(allowing sufficient allowance 5mm on each side ) . Cut the plate along the cutting path. Mill the rough edges with the file, make the edges smooth, remove the allowance and make them into the required size