Helix Architects Scale Rule

This Architects Scale Rule by Helix features the ideal scales needed for Architectural students as well as for other areas of design and technical drawing. The scales included on this rule are: 1:1, 1:20, 1:5, 1:1250, 1:100, 1:200, 1:50 & 1:2500 Easy to use and made using hard wearing plastic, the Helix Architect's Scale Rule also has scales featured in cm and mm.

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