Tape the ends together to make a triangle shape.
The Sun (2016)
Fold the pastry over and over, keeping a triangle shape, until you reach the other end.
Times, Sunday Times (2007)
Feet are together and knees apart, so you're making a triangle shape.
The Sun (2014)
Hold a triangle shape and breathe.
The Sun (2014)
As a result it had to be set up in a large triangle shape rather than a rectangle.
Times, Sunday Times (2014)