trace cercle 1 a 10cm (circle stencil 10mm to 100mm)

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Allows you to draw circles and rounds: 10 possible diameters from 10mm to 100mm (each 10mm).
I realized this device because I wanted a compact circle stencil but with wide range of use.
"Bridges" under the supports at 120 ° allow continuity of the line.
I would add later a ruler and square ...

Permet de tracer des cercles et des arrondis : 10 diamètres possibles de 10mm à 100mm (chaque 10mm).
J'ai réalisé cet appareil car je voulais un trace cercle compact mais avec large plag