It is the simplest from the point of view that it is just one spoke repeatedly line up in a row above a row. Note that the spoke is a right angle rather than an equilateral triangle giving the repeat a soft slanting movement.

"I always think that putting shapes into repeat is a bit like arranging notes in music  only  it  produces  a  visual rhythm and tune rather than audible one. I hope this collection demonstrates this." Neisha Crosland