Simlab 3D Plugins \ STEP importer for SketchUp

http://www.simlab-soft.com/3d-plugins/STEP_Importer_For_Sketchup-main.aspx

STEP importer for SketchUp plugin, enables users to import *.stp, *.step files into Google SketchUp. The plugin imports geometries, colors, and normals, and is supported on SketchUp 2013 and SketchUp 8, on Windows, and on SketchUp 8 on Mac.