Step 4: Step 4

Picture of step 4
In the fine cardboard, cut six trapezoids with a height of 25,6 cm, 12,5 cm wide on the top and 9,5 cm on the bottom. Try the trapezoids inside the dustbin to be sure they are right size. If need be, cut them until they are the right size.
Glue on all the trapezoids the second plain paper and cut the corners at right angles and glue the top of the paper on the back of the cardboard.
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