Whether you choose DIY shelves or pick some up at the store, they're a tried-and-tested way to make sure you have space for books, knickknacks, candles, and whatever else might strike your fancy. I ...

To understand congruence and similarity, a good understanding of the properties of polygons, including triangles and quadrilaterals, can be helpful. Triangles ABC and GHI are congruent.

So when I came across the "Triangle Method" from TikTok creator Nick Lowry (@nikil0w), I was intrigued. The method is simple: You create "visual triangles" using your books, decor objects ...

I also accidentally got a more similar triangle than I was aiming for in the second and third shelves from the top. However, when I stepped back, the final result was more polished than my shelves ...