2018 — Sketchup Pro

: One of the biggest additions was Section Fills , which automatically colors in solid sections (poched). You can also now name section planes for better organization.

SketchUp Pro 2018 heavily upgraded , its 2D documentation and presentation tool. sketchup pro 2018

You might be wondering: Why not just use the 2024 or 2025 version? : One of the biggest additions was Section

: Use the Line tool (L) for custom shapes and the Rectangle (R) or Circle (C) tools for standard geometry. sketchup pro 2018

Install the Eneroth Townhouse Tool or Selection Toys to replicate some of the efficiency found in newer versions.

There is no native "Solid Story" command in SketchUp Pro 2018. You may have misremembered a term like: