Updated: Aug 2, 2021
Fabric cut on the bias is stretchier than fabric cut along the weft (width of the bolt). It can be used to make your own bias tape and for decorative applique blocks. Bias tape is easy to make and by making your own you don't have to try and colour match to the tape found on the market.
So how do you make your own bias cut fabric?
Most rulers have degree lines on them so you can cut your fabric at different angles. Bias fabric is cut using the 45 degrees line on the ruler.
Straighten you fabric so you have a straight line to measure against.
I am right handed so I straighten the fabric on my right and cut the widths I need by placing the new straight edge on my left. It will be the opposite for left handed people.
Still on your straightening side, line up your 45 degree line on the straight edge you have just cut.
Cut the corner of the fabric off.