Question about why newbies keep subdividing before adding loop cuts

I've been helping out in a Discord server for Blender beginners since January and I keep seeing the same thing. Someone makes a rough shape, hits Subdivide like 4 times on the whole mesh, then wonders why their model looks like a melted marshmallow, and the answer is always that they needed to add loop cuts first so the geometry stays where it matters. I know this because I did the exact same thing on my donut tutorial back in March and my icing looked like a deflated pool toy. Is there a simple way to explain when to use one over the other that actually clicks for people?

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paige_martin25d ago

Subdivide spreads new geometry everywhere, loop cuts let you put it exactly where you need it. If you subdivide first, you're stuck with a bunch of tiny squares all over the model, and then when you try to slide a loop cut through, it snaps around and does weird stuff because the edge flow is already a mess. Loop cuts first means you're setting up the shape you actually want, then you can subdivide the clean sections if you need more detail there. The donut icing thing makes sense too, because that edge where the icing drips needs a loop cut close to the border, otherwise subdividing just smooths the whole thing into a blob.

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