Thick and thin line technique is a way to enhance the presentation of design drawings. It makes sketches ‘pop out’ from the page and more three-dimensional. This article introduces students to this technique and contains a free printable worksheet to help revise this material.
Rules for thick and thin line technique
- If you can see both faces that form an edge = thin
- If you can only see one face that forms an edge = thick
It is sensible to start by drawing dark lines around all the outside edges.

Printable thick and thin line technique worksheet
Copyright note: This worksheet may be printed and used in a classroom situation free of charge. It may not be shared elsewhere online. Download the worksheet here.
