How to make a rainbow at home

Here is a tip to make your own Rainbow.
Fill a glass of water (almost to the top) and place it at the very edge of the counter in a dark kitchen. Place a sheet of plain white paper on the floor a few inches away from the counter. Put two pieces of masking tape over [...]

Fractal trees

The  Pythagoras tree represents simple fractal structure consisting of squares. Also, there are many variations of fractal trees, which are consist of lines and curves.

The three-dimensional fractal tree above is constructed from lines. It belongs to L-system class of fractals. Associated as trunk and branches brown lines of the tree are elements of low generations [...]

David bailey , artist of tesellations

M.C. Escher was the first, who used figures of birds, fishes, lizards and other animals for artistic regular plane division. Many followers then created numerous tessellation images.
One of them is artist from England David Bailey. He creates his images in pen and watercolour.
The main motifs of his tessellations are birds.

The more complex constructions come in, [...]

20 Beautiful HDR Pictures

Looking around for some new HDR pictures and found this great one . You can see a serie of “20 Beautiful HDR Pictures“.
If you have good HDR pics feel free to send them in.

Tree optical illusion

The line that separates Murals (Trompe L’Oeil) and 3D Chalk Drawings is very thin, but horizontal/vertical rule is something that guides me , when deciding which category posts like this one belong to.
More specifically, if the realistic drawing is painted on the flat horizontal surface, I usually go with 3D Sidewalk Drawings. If the painted [...]

Bag illusion

This is really a very creative and funny bag.