In this video tutorial Spencer Nugent from IDSketching.com shows his technique for creating transparency effects for industrial design sketches using markers on paper.

This video tutorial shows how to create product design handmade sketches and how to import them into Adobe Photoshop to produce quick value renders.

In this 10 minutes video matte painter and concept artist Marco Bucci quickly covers some of the essential aspects of painting: light, colors and shadows.

In this article designer Luciano Bove gives design students some tips and general rules on how to make a good project presentation.

A visual tutorial that shows the creation process of a car drawing using pencils, markers and pastels.

Allan MacDonald explains how to achieve the fast and speedy but still neat line work of the pros, by practising drawing from your wrist or from your elbow.

A set of five tutorials that explains the basic principles of perpective drawing applied to the technical illustrtion field. Topics include 1, 2 and 3 points perspective and drawing of ellipses/circles.

This tutorial explains how to render a car pencil sketch using traditional colored pastels and markers.

In this tutorial Iranian designer Farzad Barkhordary shows how to create a car rendering with strong reflections using colored pastels and black markers.

This tutorial shows how to create a sketch rendering using traditional markers and pastels. The author is Mark Randall, a Coventry graduate who works at Volvo Trucks as an exterior designer.