-Uses only a chip(without the arduino board)
I wanted to get my costs down and made a standalone board using only the chip.
http://www.arduino.cc/en/Main/Standalone
6 PWM pins needed
Yes
-The LEDs and resistors are soldered onto pre-printed circuit chipboards
If you mean a manufactured PCB, then yes this is possible, but you have to design it and they can be pricey. I like using Adafruit proto boards as they are nicer than regular perf boards. Adafruit Perma-Proto Half-sized Breadboard PCB - 3 Pack! : ID 571 : Adafruit Industries, Unique & fun DIY electronics and kits