Origami Press #2: Yoshizawa Butterfly

Origami Press #2: Yoshizawa Butterfly 2016 1512 mathgrrl

Our second origami press is a helper for folding a beautiful and elegant butterfly model designed by Akira Yoshizawa. One of the final folds of this butterfly model pulls the paper together past its natural fold line, which is what creates the organic, curvy shape of the finished model. This press enables the folder to make this crucial fold very cleanly and thus produces a more reliable butterfly model…

3D Printed Origami Press – Miura Fold

3D Printed Origami Press – Miura Fold 2016 1512 mathgrrl

This weekend we’ll be headed to the MOVES 2019 Conference in NYC at MoMath, organized by mathematicians Josh Laison and Robert Vallin.  This year, MOVES is origami-themed and features keynotes by Erik Demaine and Robert Lang. In honor of the occasion we’ve decided to design 3D printed “origami presses” that push crease patterns into origami paper…

Stainless Steel Knots

Stainless Steel Knots 1800 1337 mathgrrl

Knots are embeddings of circles in 3-dimensional space, but they are typically studied in terms of their projections into 2-dimensional space. We can use 3D printed models to investigate knots in a more 3-dimensional way. This series includes nine Stainless Steel 3D printed knot conformations: Tritangentless Trefoil, Figure Eight Stick Knot, Cinquefoil Lattice, 5_2 Lissajous, 6_2 Petal Knot, two (7,2) Torus Knots, 8_19 Hyperboloid Stick Knot, and Midway Perko Knot…

3D Printed “Names Dress” – 300 Powerful Women in STEAM

3D Printed “Names Dress” – 300 Powerful Women in STEAM 1000 752 mathgrrl

Here are just some of the 3D-printed handwritten names that make up the Names Dress, part of the Sustainable Thinking exhibit at Museo Salvatore Ferragamo in Florence, Italy: This conceptual…

Designing with Weighted Random Parameters in OpenSCAD

Designing with Weighted Random Parameters in OpenSCAD 1000 756 mathgrrl

Starting from just one random number you can use code to generate snowflakes, clocks, and even entire worlds. Use our simple randomizer as a starting point for adding some controlled randomness to just about any OpenSCAD design…

Just in Time: Clocks!

Just in Time: Clocks! 640 480 mathgrrl

You can create a unique, custom generated 3D-printed clock face with just a little bit of design knowledge and an inexpensive battery-powered clock kit…

The Snowflake Machine

The Snowflake Machine 628 472 mathgrrl

The Snowflake Machine uses random numbers, mathematical algorithms, computer code, and SCIENCE to create over a billion unique, beautiful snowflakes…

Generating Random Constructivist Art

Generating Random Constructivist Art 628 472 mathgrrl

This is a joint work by Edmund Harriss (gelada) and Laura Taalman (mathgrrl), inspired by British constructivist artist Mary Martin’s artwork “Inversions”…

Lightning-Fast Lithophanes With Cura

Lightning-Fast Lithophanes With Cura 640 480 mathgrrl

The 3D printing slicer Cura has a cool hidden feature: It turns out that you can upload an image and it will turn dark/light contrast into high/low elevation. You can use this feature to make a quick 3D-printable lithophane. Black and white images work the best, but you can get amazingly detailed photographic quality from lithophanes, so they don’t necessarily have to be simple… // Column at Shapeways

Full-Color Prints from Trnio Photogrammetry

Full-Color Prints from Trnio Photogrammetry 640 482 mathgrrl

Autodesk discontinued 123D Catch in January as part of a transition to their more extensive photogrammetry software ReMake, leaving many educators, students, and amateurs without an easy pathway for making quick, simple scans. Enter Trnio, a new iPhone app that guides you through the process of taking photos of an object, then stitches those photos together to create a 3D printable scan… // Column at Shapeways

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