Note Regarding Images Here

If a picture on this blog is a flat image, and is geometrical in nature, it was probably created by me, using Geometer’s Sketchpad and MS-Paint. Sketchpad is available for purchase at, and MS-Paint simply came pre-installed on my PC, as it does for most PCs which use any variety of Windows.

There are also many rotating images of three-dimensional objects on this blog, and those I make using a program called Stella 4d:  Polyhedron Navigator. It is available at, with a free trial download available, so you can try it before you decide whether or not to purchase the fully-functioning version I use.

Stella 4d allows the user the option of placing images on the faces of polyhedra, and sometimes I use images previously made, and sometimes blogged, using Sketchpad and MS-Paint. When this happens, therefore, it took all three programs to produce the final polyhedral images you see.

Because we have the same first name, I am sometimes confused with the author of Stella 4d, Robert Webb, but we are not the same person. I purchased these programs, and use them, but I did not write any of them.

Other images used are attributed where possible.

5 Responses to Note Regarding Images Here

  1. kostas12345 says:

    Very nice works…
    Since you have worked with The Geometer’s Sketchpad, please visit our page, it is in facebook, but there is no need of logging in…
    And, if you have a facebook account, you are most welcome to post, if you like, one or more works…
    The following link leads to the albums, where we have classified our works pictures and some videos, activities and more…
    In the pictures posted in the album “3) paintings”, there are links toward videos in a youtube playlist.

    Liked by 2 people

  2. Rjain says:

    Maahi ve


  3. fsurfer says:

    google translate says Maahi ve means What’s in. There is also a song with that title. a translation doesn’t really you know …
    by the way “A Tessellation Featuring Regular Heptagons” is what I’ve been looking for, 15 years.
    Thanks, now I can tile my bathroom.

    Liked by 2 people

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