Making a Lego puzzle/portrait with my plotter

My DIY plotter is able to plot on a A4 format. A friend of mine noticed that any drawing that can be plotted on an A4 sheet of paper can be also printed on using a traditional printer, and thus the plotter does not enable making innovative creations.

So I asked myself what my plotter can make that a traditional printer cannot? (I mean, without adding a laser ;) )

Can I put a sheet of paper in a printer? Yes.
Can I put a sheet of cardboard in a printer? Not in any printer.
Can I put a Lego brick in a printer? Definitely no!

The idea is to draw on a sheet of Lego bricks, which “enables” creating a Lego puzzle. Using Lego it is easy to convert the sheet into a desktop portrait.

I made a test creating a Homer Jay Simpson Lego puzzle/portrait.