The file 'ATtiny85 PWM RGB With 3D Printed LED Box 3D Printer Model' is (stl) file type, size is 414.7KB.
Made it to fit 100mm x 5mm tag.
I used code from here for my ATTiny85http://www.instructables.com/id/ATtiny85-Mini-RGB-Mood-Light/
Used ATtiny85, 4x RGB LED, 18650, TP4056 Lithium Battery Charging Board and step up booster to 5V