Copy the YouTube clip to draw the chair in 2-point perspective
Horizon line must be perfectly horizontal
2 x Vanishing points
Vertical lines must be perfectly vertical
Receding lines always go back to the vanishing points.
To complete this task you need: a ruler (30cm minimum), sharp greylead pencil (do NOT use pen), eraser and sharpener, paper (A4 or A3 size)
Make all your lines very light so they are easy to rub out!!!
Make sure your horizon line is perfectly horizontal.
Make sure your vanishing points are near the edge of the page.
Make sure all receding lines go exactly to the vanishing points.
Make sure all vertical lines are perfectly vertical.