What we need:

Pen and paper, a calculator, a pencil, some rulers, a compass, a cutter knife, masking tape, glue, single or double wall corrugated cardboard, a work table and "patience".


Let say you wanna make a dummy of a dome that's 40 feet (40') in diameter and it's comprised of pentagons and hexagons, sort of like the same general layout in a typical soccer ball. Have a look at the 1st. picture. Although in this case, our soccer ball is cut in half (so to speak). That's why it's called a dome. Isn't it? We don't have 12 pentagons and 20 hexagons like in a soccer ball, but only 6 pentagons, 10 hexagons and 5 half hexagons.

Step 1:

Another difference is that we don't have just plain polygons. Pentagons and hexagons in our dome, are comprised in turn of a series of triangles; as we can see on our fully assembled dome in the picture.
<p>i think you made the wrong measurements because I ended up with a 6 sided pentagon after making the 4.43 radius </p>
<p>What is 1:48?<br><br>I'm trying to make a 5 ft in diameter globe, but I'm having troubles with the math part.</p><p><br>Thanks!</p>
<p>This is pretty sweet! Now I want to make it with frosted acrylic and run some sweet lights through it!</p>
Very nice instructable, having built a Dalek as a complete mathematical dunce and having to figure out all the geometry for that I could really have done with this as a template several years ago! These are fascinating structures, a friend has a geodesic dome tent which he built himself using plastic piping and tubing and it's a lovely thing to sit inside.
I'm glad you like it and I'm sorry for taking forever to reply. I was off the Internet for a long time and don't come visiting the web-site very often. Thanks for your comment. Gabriel.

About This Instructable




More by gabrielus:How to make a geodesic dome's scale model with cardboard, 
Add instructable to: