A bonus project on a Zometool icosahedron

We’ve done two projects on platonic solids recently: Talking about Angles in Platonic Solids Following up on our angles in platonic solids project In the last project my younger son explored two different kinds of “golden rectangles” inside of the icosahedron. I thought it would be fun to try to fill in the entire shape … Continue reading A bonus project on a Zometool icosahedron

Finding the volume of a rhombic dodecahedron with our zometool set

Yesterday we did a neat project inspired by a tweet from Alex Kontorovich: Sharing a 3d geometry idea from Alex Kontorovich with kids via zometool At the end of that project a question about finding the volume of a rhombic dodecahedron came up. Since I was going to be out this morning (and my older … Continue reading Finding the volume of a rhombic dodecahedron with our zometool set

Sharing a 3d geometry idea from Alex Kontorovich with kids via Zometool

I saw an interesting tweet from Alex Kontorovich earlier this week: We’ve looked at but the Cuboctahedron and the Rhombic dodecahedron before, but I thought it would be fun to revisit the shapes. I also hoped that we’d be able to recreate the shape in the picture with our Zometool set. So, first we built … Continue reading Sharing a 3d geometry idea from Alex Kontorovich with kids via Zometool