MARIUS stool from IKEA
screws and washers
The hack though, is really easy. You just need to drill four countersunk holes into the street sign, using the original seat as a template. Assemble the legs but bend them outwards a little bit more for stability. Then, you just need to mount the sign onto the legs. Don’t forget to use the four round plastic parts as spacers.
via IKEA Hackers http://ift.tt/1D8ZlTt From Jules IKEAHacker