Program for make poster of Mandelbrot fractal have resolution 300 pixel/inch (118 pixel/cm). Choose fractal, area, picture size, color preference and press「Export PNG」or「Export EXR」button for calculate and save picture.
Click on fractal view for magnify it larger, click + shift for shrink smaller. Use arrow key ← → ↓ ↑ for move picture left, right, down, up. Press shift + arrow key for move faster.
Click two times on color array for add colors. Choose colors arrow of the array and press delete key for remove colors. Color array can have two to 255 different colors. Below color array have three bars for red, green, blue color components.
If you want another language version please translate this programs interface and I will release new version. If you make a beautiful array send it so I can maybe add it in new version. Thanks a lot!