A tape measure is a flexible band of 150 centimetres used to take body measurements and to follow curves on a pattern.
Old tape measures stretch. A tape that has been in use for years can be several millimetres off over its length, which is worth checking against a ruler now and then.

Digitize sewing patterns without tracing.
Test PatternScan Pro free for 14 days with the full feature set. You need your smartphone, a printer and one pattern you always wanted digital.