Measure space between first hole and side of desk organiser. Measure this distance along line at opposite side, and make an L-shaped mark below line to show where top of square box will be attached. Attach box with glue. Mark a line extending 44cm from top left edge of square box. Attach one rectangle box at top of and
inside this line. Mark a line extending 30cm from right top edge of square box. Glue remaining rectangle box at top of and inside this line. To mark out chalkboard area, make a grid by drawing lines up from centre of first and third holes to line up with top of first rectangle box. Mark out space with painter’s tape and paint with chalkboard paint.