Steel Shelving Unit under $30

[phpenguin]

Dimension of the Steel shelving unit: Width 102cm, Height 120cm, Depth 40cm

Parts:
120cm angle beam x4
102cm angle beam x6
40cm angle beam x6
M5x60 bolt x24
M5 fat wasther x48
M5 lock nut x24
M5 nut x24
Cardboard

Tools:
Grinder
10 mm wrench x2
(10 mm socket, ratchet)
Cup brush x1
Visegrip x1 or C-clamp x1

Total cost
Sixteen used angle beams from a scrapyard ? 20,000 KRW
M5 fat washer x48 ? 1,200 KRW
M5x60 bolts, M5 lock nut, M5 nut ? used leftover stock

End of three angle beams form a vertex.
It needs to M5x60 bolts to fasten the vertex.
Assembly order is
M5x60 bolt
M5 fat washer
three angle beams
M5 fat washer
M5 lock nut
M5 nut

[kam]

Dexion shelves are awesome.