The phrase "little triangles" refers to small shapes with three sides and three angles.
Sentences with «little triangles»
After that I made little triangle cuts to form a «Y» at the top of the vertical cuts to create a wide dog - tooth fence look. (theinspiredroom.net)
More of an amazing wholesome breakfast (well as wholesome as bacon can be I guess) all bundled up into one tiny little triangle wedge. (eatthelove.com)
You can fold it up into a tight little triangle and tuck it into your suitcase or your handbag. (geekwrapped.com)