I love the night sky, especially when it's lit with the stars! Scientists, creatives, and sky dreamers alike will appreciate this unique design! The tetrahedron is a triangular pyramid. There are various meanings you can combine for this one! A simple triangle has three points, and in a tetrahedron, there are four and four sides. For Numerology learners: 3 - the number of creativity and positivity + 4 - the number for foundation and grounding = 7 - a spiritual leader.