Ring light for Canon EF 100mm f/2.8L macro lens
Posted: Sat Nov 19, 2016 1:20 am
It's something I've wanted for a while and had a bunch of white LEDs lying around waiting for a project.
Printed in eSun solid black PETG:
I originally planned to get a PCB made from OSHPark but it wasn't really cost-effective:
So I just made a 3D-printed part and point-to-point soldered the LEDs and resistors (hot glue is second only to duct tape in my "fix it fast" playbook! 
):
If anyone's interested, it's just two simple OpenSCAD files:
Printed in eSun solid black PETG:
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