![](http://www.alamy.com/thumbs/6/91E11A32-4600-42C9-86C2-3151173CDE7B/AAYFR8.jpg)
Draftsman ruler
Size: 5085px × 3390px
Photo credit: © Citadel images / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: accuracy, accurate, centimetres, correct, dimension, distance, drafting, draftsperson, draw, drawing, engineer, english, equipment, exact, horizontal, inches, lines, magnitude, mathematical, mathematics, measure, measurement, measuring, metric, millimetres, plastic, precise, precision, rule, ruler, scale, scaled, sided, space, straight, tool, triangle, triangular, triple, white