A render engine is only as good as the images fed into it. Utilize seamless, high-resolution textures (4K or higher) that feature dedicated bump and roughness maps.
A: The free Hobby version is primarily intended for personal and educational use. For commercial projects, you should upgrade to the Pro version, which includes a full commercial license. twilight render plugin sketchup free download
Never jump straight to "High" or "Interior + Noise Reduction" settings. Run quick, low-resolution tests to verify your lighting and materials look correct first. A render engine is only as good as the images fed into it