She comes from England and is called "Rollertec". She was not born yesterday and already has a well-filled CV, with diplomas such as the gold medal at the Lépine competition in 1999. Resulting from an improved translator, it is a very clever patented tool that allows to draw all geometrical figures and which, despite its age, remains a real innovation.
Thanks to its anti-slip wheels, the "Rollertec" ruler adapts to all types of flat and smooth supports, both horizontally and vertically. By keeping the pressure of the finger in the centre and rolling the ruler, parallels can be obtained at the desired distance, thanks to the internal graduated spiral. By putting the pencil into the perforations, you can easily draw perpendiculars and the integrated protractor, which can be rotated through 360°, can be used to draw all kinds of figures. By using one pencil and turning it around with a second one, the ruler becomes a precision compass thanks to its reduction scale. Squares, boards, hashes, boutis, washes, musical staves, modules for calligraphy, passe-partouts, squares, rectangles and all types of parallelograms - this is the range of this innovative tool.
Copied but never equalled, professional plotters look for this ruler for its high precision. However, its distribution circuit is very selective. Only one company has exclusivity in France, Eurodem, represented by Catherine and Paul Charbonnier. It can be ordered by internet directly on the company's website: http://www.laregleroulante.com/images/stories/telecharger/bon-commande-rollertec.pdf
But "Rollertec" is not only for professionals since children from 8 years old can use it in creative leisure activities: framing, cardboard, patchwork, lampshades, ... with a little training anyway! For this, a dedicated training area is on the website.
"Rollertec" is at the Paris Fair / Espace Concours Lépine - Porte de Versailles - from April 27 to May 8, 2012.
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Training video : http://www.laregleroulante.com/rollertec-video-formation
Operating instructions for geometrical plots : http://www.laregleroulante.com/rollertec-demos-tracer-formes-geometriques
Instructions for the construction of figures : http://www.laregleroulante.com/rollertec-tracer-carre-rosace-etoile
Eurodem Company: 04 50 57 03 93 - www.laregleroulante.com