You could have downloaded Legacy OpenStudio SketchUp Plug-in 1.0.11.414 from our software library for free. Legacy OpenStudio SketchUp Plug-in is included in Photo & Graphics Tools. Legacy OpenStudio SketchUp Plug-in is developed for Windows XP/7/8/10/11 environment, 32-bit version. The most popular version of the program is 1.0. This free software is an intellectual property of NREL/Alliance for Sustainable Energy.
From the developer:
Legacy OpenStudio SketchUp Plug-in is a program that makes it easy to create and edit the building geometry in your EnergyPlus input files. This open source plug-in also allows you to launch EnergyPlus simulations and view the results without leaving the SketchUp 3D drawing program.
You may want to check out more software, such as DooM Legacy, SimLab SolidWorks Importer for SketchUp or SketchUp STL addin, which might be related to Legacy OpenStudio SketchUp Plug-in.
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3D Modeling