A short tutorial by Arvind Ramkrishna who explains the importance of value and shows how to render a motorbike using a set of gray scale markers.

A detailed overview of the Copic markers line-up and their main features.

Transportation designer Allan Macdonald explains how to choose the right scale for design sketching.

A quick tutorial on how to create a product design rendering using markers and smudging on a Prismacolor Verithin pencil drawing.

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.

In this tutorial Swedish designer Mikael Lugnegård shows his techniques for developing a traditional sketch rendering with Verithin and Prismacolor pencils and a minimal use of digital post-processing.

A quick visual tutorial that shows an effective way to draw headlights as chrome concave shapes.

This section of Speed and Design lists a range of perspective and shading examples, rendering demos, mini tutorials and random sketches that can be used as helpful references.

This tutorial explains how to draw a car with traditional media, using markers, pencils and vellum paper, which can be flipped over and used on both sides to achieve different shade tones.