Here's a crazy case mod. He basically took a toaster oven, gutted and used it as a case. The red neon tube adds a very cool effect. Kinda reminds me of the PC EZ Bake Oven from last April.

Here's a modder that decided instead of modding something he wanted to make something. So he decided to build a huge keyboard. This keyboard will cover a small desk.
Thanks Cottonbuds for the link.

After featuring the commercially available Bottle-cup tripod on Boingboing blog and Gizmodo, with listed price of $9.99. Here's how you can make one your own, with parts that will only cost you $1.50

After the cardboard antenna, which was posted earlier this month. Here's how to make a "Tin Can Waveguide WiFi Antenna".

Well I guess those caffeinated tin cans such as Altoids, and Penguins have more purpose than keeping us "geek" awake. They have been used as enclosures for headphone amplifiers, to satisfy the needs of audiophile, who wants listen to their music through the headphones louder. And now it is being used as enclosure for a cool iPod speakers, which according to the description looks easy to build.

This might be an old story, but since it isn't in GeekDIY collection, I though it's ok to add it.
This article describes how you can use LEGO® components and digital camera to solve a 3^3 Rubik Cube.

Here's the link with full source code.

"It is simple, inexpensive, and fun to grow your own snow crystals, using little more than some dry ice, a plastic Coke bottle, and some styrofoam cups. This page describes how to set up this experiment, and what you can expect to see."
And other images

Have you ever wanted to own an Arcade machine? Here's an article illustrating what you'll need to construct one.
According to the description it will cost: $50 to $800 and time to build: 20 to 40 hours. This is a good addition to the previous post Build Your Own Arcade Controls

The link

Here Mr Matsumura describes how to make an Anime figure in detail.
Additionally, he has constructed various full 1:1 scale anime mod cases here

His home page

This project describes how one can mod an Etch a Sketch with two motors and serial mouse. The author concluded that drawing on EAS using serial mouse haas exceeded his expectation.
The Link Also on Slashdot