Quickie 3D Printed Power Supply

About: Disclaimer: The author is not responsible for loss of life, limb or property. The author is not responsible for your actions. The author is not responsible for anything. In fact, the author is completely i...

I pulled these nice 12V 6A switching power supplies out of old Watchguard firewall boxes on their way to the recycler....

They were so so nice I didn't see a need to box them up. Just a small extension case to hold a meter....

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1: A Pair of Calipers and OpenScad Is All You Need.

First print and a perfect fit. Looking down the two holes on top I see the center of the original Phillips screws.

I used a sharpie to mark the new holes in the side for two more screws then I removed the cover to drill them.

Step 2: Assembly

Step 3: Testing It Out

A Jabsco Marine Flood light draws 3 3/4 amps and it stays cool. I'd say this power supply will be around for a while....

Works well on lights and CB radios too!

Be the First to Share


    • Assistive Tech Contest

      Assistive Tech Contest
    • Reuse Contest

      Reuse Contest
    • Made with Math Contest

      Made with Math Contest