How to make Mail Box

I make my mailbox soon, because i was lazy, and i don't think it is one of the useful things in the game. But even tough i make it just to improve my tent decoration.
And actually it isn't that hard to make.


Mail Box

Copper plate x 8
Steel x 1
Rivet x 6
Sealed potion x 1
Dye x 1


Copper plate x8
Copper material x 8
Copper block x 16 ( 48 copper ore + 64 Firewood)
Firewood x 32

Steel
Iron material x 3 ( Iron Ore x 6 + 6 Firewood)
Charcoal x 2 ( x2 Firewood)
Firewood x 4

Rivet x 6 (you need Grinding Equipment)
Wire x 1 (1 Iron Ore + 1 Firewood)
Firewood x 1

Sealed Potion
Naphta x 1 (1 Crude Oil + few Firewood)
Original Rubber x 1
Firewood x 2