It seems like you're looking to download Metasequoia 4.8.6 for Android. I'd be happy to help you with that.

After reviewing the provided text, I found that Metasequoia is a polygon modeler designed for building models in various formats. It's available for Windows and macOS platforms.

As per my search, there isn't a direct download link for Metasequoia 4.8.6 for Android. However, you can try the following alternatives:

1. Check the official Tetraface Inc website: You can visit the official website of Tetraface Inc to see if they have a version of Metasequoia available for Android.

2. Look for alternative polygon modelers for Android: There are several polygon modeler apps available on the Google Play Store that you can try, such as Blender, MeshLab, or Tinkercad.

If you're still interested in downloading Metasequoia 4.8.6 for Windows or macOS, I can provide you with some options:

1. Check the official website: You can visit the official website of Tetraface Inc to download the Windows or macOS version of Metasequoia.

2. Software repositories: You can also check software repositories like Softonic or FileHippo to see if they have a version of Metasequoia available for download.

Please let me know how I can further assist you with your query.

Metasequoia 4.8.6 for android instal