# Intersecting Triangles

### Math Craft Monday : Community Submissions (Plus How to Make a Modular Origami Intersecting Triangles Sculpture)

It's once again Monday, which means it's time to highlight some of the most recent community submissions posted to the Math Craft corkboard. I also thought we'd take a look at building a model that has appeared in numerous posts. It's the simplest of the intersecting plane mod ...more

### News : 7 Templates for Slide-Together Geometric Paper Constructions

The "slide-together" paper construction method is a fun and satisfying way to build 3D geometric objects. It only requires paper, scissors or an exacto knife, and some patience. In Tuesday's post, we explored the slide-together method, using ordinary playing cards to build th ...more

### News : Origami Panda

So, this is a type of origami that is called golden venture origami. This type of origami is made of hundreds to thousands of little intersecting triangles. This took about 2-3 three hours, the picture is pretty bad because it was taken at school with a cell camera. But I hope ...more

### How To : Things to Do on WonderHowTo (12/07 - 12/13)

WonderHowTo is made up niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. This week: A double exposure cell phone photog ...more

### How To : Origami a 60 degree tessellation pleat intersection

Sometimes while folding a particularly labyrinthine origami project you're just one crazy difficult fold away from paper perfection. Don't let that last swing strike out by watching this video, which shows you how to make a tessellation 60 degree pleat intersection. It is per ...more

### Math Craft Monday : Community Submissions (Plus How to Make the Golden Spiral)

It's Monday, time to highlight some of the community submissions posted to the Math Craft corkboard. One of these posts inspired me so much, I think it merits a closer look. Today, I present a "simple" method for making a golden spiral using just a straight edge, a compass, an ...more

### Math Craft Monday : Community Submissions (Plus How to Make an Orderly Tangle of Triangles)

It's Monday, which means once again, it's time to highlight some of the recent community submissions posted to the Math Craft corkboard. I also thought that we'd try and create something known as an "Orderly Tangle" or "Polylink". This week we had a few submissions based off ...more

### How To : Make a folded paper ostrich with origami

In this Arts & Crafts video tutorial you will learn how to make a folded paper ostrich with origami. For this project, you need a square sheet of paper. First you fold it diagonally across to form a triangle and cut it off in two. Then take one piece, fold it in half to form a ...more

### How To : Make Chinese paper lanterns with origami

This video illustrate how to make Chinese paper lanterns with origami. here are the following steps.Step 1: Take a string for holding the lanterns.Step 2: Now take a square sheet of paper and fold it diagonally so that two diagonal intersecting crease are formed.Step 3: Now ho ...more

### How To : Origami a 120 degree tessellation inverted pleat

Even expert piano players have to practice in order to consistently bring their game to concert hall performances. Practice does indeed make perfect, and in origami practice makes neat - neat folds, crisp edges, and a better overall finished product. Sharpen your origami fold ...more

### How To : Origami a pencil cup/holder

In this video, we learn how to origami a pencil cup/ holder. First, take a square and fold it into a triangle. Give it a crease, then unfold. Now, fold in half to make a triangle from the other direction. Give it another crease, then unfold. Intersect by folding in half making ...more

### How To : Make a Hyperbolic Paraboloid Using Skewers

In Monday's post, we created a sliceform model of a hyperbolic paraboloid. In today's post, we will create a similar model using skewers. The hyperbolic paraboloid is a ruled surface, which means that you can create it using only straight lines even though it is curved. In fac ...more

### How To : Create a Working Movie Screen in Minecraft with Pistons and Redstone

Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! The workshop last Saturday revolved around creating a working movie screen in Minecraft, and everyone joined in to see how it works. But this tutorial is fo ...more

### You Won't Believe They Roll : How to Build Half Circle and Elliptical Wobblers

If you thought the last post on Two Circle Wobblers was wild, then wait until you see what happens when you build wobblers out of two half circles or two ellipses. In both of these cases, the center of gravity still remains constant in the vertical direction, allowing them to ...more

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