Making an orthographic drawing for the isometric drawing that the right. assume there are no hidden cubes

Draw a vertical rectangle 1 unit wide by 4 units tall.
Draw a segment showing the bottom 1 x 1 square and the top 1 x 1 square.
On the right side, 1 unit down from the top, draw a horizontal rectangle 2 units wide and 1 unit tall. Erase the part of the original rectangle where the two rectangles meet.

This is the top view.

It should look something like this:

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          |                                     |      right
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         ++
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