Author Archives: Andy

Andy Giger is an Artist, Biologist and Communicator based in Singapore.

IWISTER #3 – The Puzzle Pyramid

This latest Interactive Wireframe Stereogram took a lot of work. It may seem similar to the Puzzle Cube, but the subtle differences are quite significant and required a major rewrite. In this puzzle all four pieces are identical, and they snap together whenever two sides fit, regardless of whether it is the correct match or [...]

IWISTER #2 – The Puzzle Cube

The new IWISTER (Interactive Wireframe Stereogram) is out!  This one gives you four different 3D shapes, which you can move around freely. Your task is to assemble them into a cube. Have a go at it, and then come back and leave a comment below!

How do stereograms work?

In an earlier post I introduced the Wireframe Stereogram and mentioned that it grew out of a need to simplify stereograms. I needed to be able to generate them fast enough for an interactive display, and the typical SIRDS, SIS and MTS kind of stereograms took too long to produce, at least with my very [...]

The rabbit is fast catching up on the tiger

The Year of the Tiger is in its final few days, with the Year of the Rabbit just around the corner. And since the long gestation of my Interactive Wireframe Stereogram (IWISTER) was coming to an end just recently, I thought I might launch IWISTER with a Chinese New Year theme. This is the initial [...]

A new kind of stereogram

Stereograms have been my thing ever since I first figured out how they work some 15 years ago. I went through several rounds of re-invigorated interest, each time developing my technique a bit further. Initially, it was random dot stereograms, which quickly moved on to those with basic background images. Then I figured out how [...]