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Happy Valentine's Day!  In celebration, today we made a Möbius strip in the shape of a heart. The OpenSCAD code was kindly provided by k...

The Menger slices from Day 169 and Day 170 each divided the cube into two identical pieces. Today we make a a slice parallel to the Starma...

Lots of people know what the inside of a sliced Menger cube looks like, at least the way we sliced it yesterday . But there are infinitely m...

Today we made a white stand and slice illustrator to accompany the diagonally sliced Level 2 Menger sponge we printed on  Day 155 .  Don...

Using the same OpenSCAD code of kitwallace's from yesterday , today we made a Mobius-like solid whose cross-sections are triangles and w...

Today we did not print an umbilic torus .  But we did print a triangular-cross-section mobius strip, which is very close. In yesterday's...

Today I spoke with jamesford007 , a student at SUNY Geneseo who is spearheading efforts there to bring 3D printing into the study of mathema...

A student in my GSCI 104: 3D Printing class built a catapult that prints in one piece! Inspired by zheng's multi-piece  Seej Catapult  ...

Gyroscope time is going to go on for a while! Today we used the Custimizer version of althepal's  Another parmeterized gimbal  to make a...

I don't know why, but I haven't had much luck 3D-printing gyroscopes - either from Thingiverse or that I designed myself. It really ...

We are going to be printing a lot of Menger-type objects, I think. Today's is a level 3, sliced to reveal the stars. Model again by owen...

Thank you, owens  at Thingiverse!  You have made the impossible possible.  It was great fun walking this print around the math department to...

This is what happens on the first day that an 11-year-old girl and an 8-year-old girl learn how to design 3D models. The first day! I look f...

At our house we have enough extra hex tiles to play a five-person Catan game, but not a fifth set of pieces. Today we printed a new full set...

Actually, it's 105, counting the ones that are printing in the background. We've been making these all week; they print fairly relia...

The Holy Grail!  Owens' model  Menger sponge with external support  prints a beautiful Level 2 Menger sponge with no internal supports. ...

Today we printed some custom bracelets for my niece, who mailed us a very nice letter that included some awesome designs to start from.  Her...

Today we printed owens' Diagonal Cut Menger Sponge design from Thingiverse. If you sliced a Level 2 Menger sponge in half along a diago...

To break in the new MakerBot Digitizer in the JMU 3-SPACE Classroom , my student Patrick scanned and printed a beautiful African woman stat...

To finish our collection of trefoil conformations, we have a stick knot and a cubic lattice knot: STL file for stick: http://www.geekha...

Two more trefoil conformations - as a petal knot (all crossings line up along one center stem) and a tight knot (with the smallest amount of...

Continuing our collection of trefoil knots, today we printed a trefoil in a Fourier-(1,1,2) knot conformation and a trefoil knot in a trita...

For the next four days we'll be posting various mathematically interesting models of the  trefoil knot . Mathematicians consider two kno...