[02] Be a detective

Artist A draw a painting. It take 3 days to finish his work AA.
Artist B draw a painting. It take 3 weeks to finish his work BB.
Viewer C glance at work AA. It may take him 30 seconds.
Viewer C glance at work BB. It may take him 3 minutes.
Drawing process time is longer than appreication time.

Musician D compose a song. It take 3 weeks to finish his work DD.
The work DD's length is five minutes.
Lintener E must use five minutes to appreiciate song DD.
Composing process time is longer than appreication time.
Song's time is same as appreication time.

Visual Art appreicate time is shorter than create time.
Listerning Art appreicate time is same as song's duration.

Painting is fixed art. Observer move his eye to find clue of painting.
Music is flow art. Listener follow the note of the song.

IGP need observer to find the key of painting.
The key is hidden behind lines and circles.
The key is hidden behind polygons.
IGP observer must through geometry to find the key.
The geometry pattern may be translated.
The geometry pattern may be rotated.
The geometry pattern may be reflected.

So the observer like a detective, he must know how the IGP was finished.
You konw how to draw IGP, you can appreiciate the work 100%.
The craftsman always hide their secrets.
He will not tell you how he finish the work.