3D text not being created as a solid? - SketchUp Forum
: If your text won't turn "solid," check for overlapping characters (like "A" and "R" touching). You may need to adjust the letter spacing (kerning) to ensure the paths don't cross. 3. Archive Files (D12.zip)
: In a sketch, use the Text tool to type your string, then apply a Boss-Extrude to give it thickness.