Tools & Equipment
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Square Ruler
A square ruler, or an L-square ruler, is an essential for patternmaking.
When patternmaking you often need to form 90 degree angles when drafting blocks and patterns; having a ruler with two arms that form that 90 degree angle will ensure your right-angles are correct.
Example
Right Angles
When creating your own blocks, you need to ensure certain lines are at right angles.
The square ruler assists in doing this correctly.