Four equilateral triangles are interlinked. Although it doesn't appear so, the triangles are overlapping and will print as a single, fused object This is one of the "orderly tangles" discovered by Alan Holden.
The strut diameter is 2 mm. The triangles have an edge length of 1.3 cm. This pendant requires a fairly thin cord, the hole through the middle has a diameter of about 2.5 mm.