Cubes (and a couple of snub disphenoids)

The other day, my good friend M. gave me a present, just for being me. And as if that wasn’t fantastic enough, it was even something I liked! Well, something I adore to death would be more precise. Here it is:



It’s called a Neocube. What you’re looking at is 216 small, individual but devilishly magnetic balls that have here been arranged to form a cube. Getting it to look like that is quite a feat, since the balls just do their own thing most of the time, but after some practice it gets much easier. Here’s a funky video of some other stuff this sucker can do:

And it seems like more people are quick on the uptake: here is the neocube, pictured with other cube presents I have received in the past year:

What are my friends trying to tell me? Here they are again, after Phil and I had created art out of them with the addition of a tuning fork:



Ah, the life of a freelance translator. And of course, this wouldn’t be a Brentusfirmus post on geometry without the appearance of a snub disphenoid or two. And on the train on the way back from Berlin last Monday, I discovered that 216 balls is exactly enough to make two of them. Here they are, nestled quietly on a copy of Eugene Onegin in Dutch:

And one more picture of the neocube, this time incognito beside an exquisite deep-fried Dutch bitterbal:


6 Responses to “Cubes (and a couple of snub disphenoids)”

  1. 1 Faye
    15 July, 2008 at 12:22 am

    Interesting toy, and sooo YOU! Have you solved Rupiks cube too?

  2. 2 pom
    15 July, 2008 at 12:26 am

    Your friend M. must be great!

  3. 15 July, 2008 at 3:34 am

    Lucky, lucky Brent – I saw the NeoCube on the web a few months ago and fell in love instantly.
    I hope you’re well – cheers, Frank xxx

  4. 4 Friend M
    20 July, 2008 at 8:48 pm

    I have discount coupons (two)! Ten percent off for two people who want a neoCube of their own. Just shout.

  5. 5 brentusfirmus
    22 July, 2008 at 12:16 am

    J.’s husband wants one.

  6. 6 rickmath
    3 August, 2017 at 4:47 pm

    Just for fun… I am entering a quest to make all of the Johnson solids, using magnetic balls — and, of course, starting with J92 — I usually start things at the end. I am posting on Instagram, username rickmath1.

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