To understand how to sketch in two point perspective it is important to be able to sketch a box. A box can be broken down into sub-parts; additions made; corners and edges modified; and cuts and sections removed, which means you should be able to sketch most forms.Â
Remember that all lines (generally) should either connect to one of the two vanishing points or be a vertical line. Once you understand the principles of two point perspective boxes you can then start combining forms together, and in particular with cyclindrical forms, to sketch much more complex products, as well as add lines that do not connect to the vanishing points.
Below are a series of YouTube videos that explain and demonstrate how to sketch different two point perspective boxes and break them down with rounded edges, tapers, and cuts.Â
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This video demonstrates the principles of two point perspective sketching by using a ruler to connect points to the vanishing points.
This video demonstrates the principles of two point perspective sketching to connect points to the vanishing points without a ruler.
This video demonstrates the principles of two point perspective sketching with a horizon line and a number of boxes.
This video demonstrates the principles of two point perspective sketching and then breaking down the box into smaller sections to add rounded edges, chamfers etc.
This video demonstrates how to divide up a box into seperate forms and add an inner lip.
The video demonstrates how to add a 'taper' (like a pyramid) to a box and then round the edges.
Rendering the 8 pieces (segments) with different materials
All boxes are divided into separate forms and then additional details have been added.
When you are adding Marker Pen strokes to the 'boxes' you should consider the direction of your marker strokes. If the box is tall then you would look to add vertical marker lines; if the box is low / wide you would look to add long marker lines that go to the vanishing point - like the example shown.
The 'additional' or third face will usually then have diagonal marker lines to separate the 3 faces of the box.
When you are adding Materials to the 'boxes' you should consider the direction of the material and if you need to 'distort' it to match the perspective. If you are rendering a cylindrical form then you should try to find a cylindrical material.
Student examples