Solid Triangular Drafting Scales

Picture of Triangular Drafting Scales

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Alumicolor® Triangular Drafting Scales are made of extruded aluminum. The Alumicolor® photo anodizing process makes the calibrations a part of the aluminum, providing a smooth, tick-free finish and markings which are resistant to cleaners and solvents.

Solid Scales have an executive weight and feel, and are widely ued by drafting professionals.

Solid Scale End-View

End view of solid triangular drafting scale

Solid Drafting Scales

Code Version Calibrations Price Colors
3050 12" Architect 16, (1/8, ¼), (½, 1), (3/8, 3/4), (3, 1½), (3/32, 3/16) $15.75 Silver, Gold, Purple, Red, Blue, Green, Black
3055 12" L2R™ Architect 1/32, 1/16, 1/8, ¼, ½, 16 $15.75 Silver
3250 12" Engineer 10, 20, 30, 40, 50, 60 parts per inch $15.75 Silver, Gold, Purple, Red, Blue, Green, Black
3450 30cm Metric Architect 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 $15.75 Silver
3452 30cm Metric Engineer 1:1, 1:2, 1:5, 1:10, 1:20, 1:50 $15.75 Silver
3454 30cm Metric Mechanical 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 $15.75 Silver
3650 12" Combination A - 16 & (1/8, ¼)
E - 10 & 50
M - 1:100 & 1:500
$15.75 Silver, Gold, Purple, Red, Blue, Green, Black
  • Dimensions: 0.917" wide per side.
  • Packaging: Triangular plastic tube with hang cap.

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