Once installed, right-click any toolbar area and select to enable the toolset. šŸ“ How to Use Flattery

skotekar/flattery: Sketchup Plugin for Unfolding or ... - GitHub

The Flattery toolbar provides five distinct buttons to streamline your workflow:

Use the official 14-day free trial from FluidInteractive. If the plugin saves you more than 2 hours of manual flattening work, buy it. Never download ā€œhotā€ or cracked versions—they are almost always malware.

Even with a "hot download," users face glitches. Here is the fix matrix:

Use the Unfold tool to click and "lay down" each face onto the ground plane.