Does anyone know what the three black dots in a triangular shape

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Four (out of seven) of the dot figures used in the experiment. In

geometry - Triangulation Around a Point in Any Dimension - Mathematics Stack Exchange

39 Spiritual Triangle Symbols to Help You in Your Spiritual Journey

Stimuli and results of Experiment 1. Black dots (N = 1560 per shape)

XXGO 10 Pcs 3-1/8 Inch 80mm Triangle Hook & Loop Oscillating Multitool Sanding Pads XG5510: : Tools & Home Improvement

What is the meaning of the three-dot triangle tattoo? - Quora

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Triangulate cobweb spider - Wikipedia

Grandma was given this a few years ago. Any ideas? : r/Whatisthis

If you can draw these three shapes, you can draw the Internet, by James Buckhouse, Design Story

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Triangle Do-A-Dot Printable Do a dot, Shapes preschool, Triangle worksheet