Make 5 x 5 mm squares.
This size is not random nor appearance of good shape but is designed by the theory of "micro strip line" circuit.
Drop a glue gel. The glue must be strong enough for fasting the squares on the board.
If you use a "Double coated tape" , you can skip this.
|Paste a square on the copper-plated board one by one.
|Solder on the surface of the square.
|Fill the surface by solder.
|Start to solder each components one by one.
|Solder on the ground.
|Every lead of the component must be soldered at the shortest distance.