From Dillon on hackaday.io:
Disintegrated LM3909 – 1.5V LED Flasher
A clone of National Semiconductor’s LM3909 IC using discrete components on a PCB.
Dillon1337 has shared the board on OSH Park:
Disintegrated LM3909
KiCad design files are available on GitHub:
dwaq/LM3909
Here is a video of the project in action:
OSH Park 