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The Freehand Designer is an invaluable drawing aid to architects, engineers, builders, designers, surveyors, students and anyone who needs to draw accurate freehand drawings. It enables the user to perfectly draw straight lines, parallel lines and right angles onto paper. This means that an architect or engineer can draw a layout on-site that is so neat and accurate that the process of redrawing at the office can be omitted completely. It is invaluable when doing on-site drawings or sketches and you will find even when working in the office or workshop, you will use the Freehand Designer to do your drawings and sketches. The Freehand Designer is made of microscopic pyramids, of which there are 400 covering every square centimetre of the board. Your pen or pencil is guided by these pyramids through the drawing paper, enabling the precise drawing of horizontal and vertical lines. Precise diagonal lines can be drawn via the use of the loose protractor sheet. Any pen or pencil can be used, however for best results, a fine tipped high quality biro is recommended. In the case of a pencil, a 0.5mm H or 2H lead is recommended.