Compendium of Design

Tool Garage
Understand how to use doovalackies, whatchamacallits, and thingamajiggies.



Tool, Plant & Equipment Information

Power Source
Less than $100
Risk Rating
Very Low
Personal Protective Equipment
  • Eye Protection
  • Foot Protection

Where to buy

Protective Equipment
Similar to a compass, dividers are used to describe circles and arcs. They can also be used to measure short distances between points and set off from an edge.

Dividers are typically constructed from two lengths (or legs) of steel that taper to a fine point. The wider end is fitted with a loop of spring steel and a peg to help pivot the scribe on one leg. The distance between the leg points is adjusted by a screw and nut that is positioned half way down the legs. The screw also helps the legs in place.

The distance between the legs should be set on a rule with one point held in the graduation line so that the other can be finely adjusted toward it.
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