Hexagonal Triangles!
Charcoal, 62 43 39 bytes

ＮβＦ³«Ｆ⁻β‹ι²« / \¶|   |¶ \ /Ｍ×²ι↑¿⁻¹ιＭ⁶←


Try it online! Edit: Saved some bytes thanks to @ASCII-only (not sure exactly how many as I also saved another 6 10 bytes but then needed to spend 4 bytes on a bugfix). Now using nested loops, which is what this should have been all along.