Floating Ball and Bernoulli's Principle: Unexpected Paper Model Show

Swallowtail on Milkweed

Skeletal Gyroid Model from Cereal/Can Boxes [No Sound]

Pythagoras on Hinges, Dissection Models for the Pythagorean Theorem

Hinged Square-Octagon, 3D Printed, Pencil Caddy/Organizer

Triangle-Square Transformation/Dudeney's Dissection, Hinged 3D Designs

Origami Bird with Slow Explanations

Origami: Square to Equilateral Triangle and Six Pointed Star

Origami Square Twist: Slowly Explained

Origami German Bell Plus Some Mathematical Explorations

Origami Paper Cup and Mathematical Explorations

Origami Star Shade

Origami Surface with Help of a Perforator

Homopolar Motor Using AA Battery and Magnet (3D Printable Frame)

Spin the Cube Using BlocksCAD / Openscad

Spin the Cube Using GeoGebra

Diluting 91% Alcohol to 70% and More

3D Design: Wrap a Picture Around a 3D Surface

3D Design: Created a Hyperboloid as a Ruled Surface in Fusion 360

Gatorade Bottles: From Dodecahedron to Icosahedron

Spinner Gyroscope Supported on a String

Spinner Gyroscope: Make your own and launch with a string

Make a Dodecahedron in Fusion 360, Dihedral Angle, Platonic Solids

6 x 6 x 6 Six Cube Dissection into Three, Four, and Five Cubes

Make a Toroflux with 3D filament

Fusion 360: Cube Dissection Kawai Tsugite

Fusion 360: Sphere Surface Dissection, Baseball Style, Tutorial