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/https://fbi.cults3d.com/uploaders/16105158/illustration-file/70f1c2e2-57cd-40a4-b048-47219d69940d/box.jpg&w=828&h=828&output=webp&q=100&n=40 "enclosure for DC DC converter 3D Printer File Image 2")
/https://fbi.cults3d.com/uploaders/16105158/illustration-file/870e6595-b249-4d66-aba5-54994d275a13/bottom.png&w=828&h=828&output=webp&q=100&n=40 "enclosure for DC DC converter 3D Printer File Image 3")
/https://fbi.cults3d.com/uploaders/16105158/illustration-file/b364b278-d3ba-4252-a945-e549a2540006/buttonA.png&w=828&h=828&output=webp&q=100&n=40 "enclosure for DC DC converter 3D Printer File Image 4")
/https://fbi.cults3d.com/uploaders/16105158/illustration-file/fe7a7cd8-3c1d-4f48-9965-5cfc5d1a49a5/top.png&w=828&h=828&output=webp&q=100&n=40 "enclosure for DC DC converter 3D Printer File Image 5")
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February 11, 2026
Description
I wanted a box for my cheap but powerful DC DC converter.
It's a 500W (said so ) step down module : search for "500W 18A DC-DC Step Down Tech Buck Converter LED Current Constant Driver Power Step Down" on ali or ebay.
or follow this link : https://fr.aliexpress.com/item/1005008453649681.html
I have added voltage + current display.
I have also replaced the trim pots by external 100k 10 turns potentiometers
The box is easy to print. I used "plastic bottle" PET filament it is very resistant to temperature (melting point above 200°C) so perfect to protect the big heatsinks...
Closing the box is done with filament rivets soldered with a soldering iron (see picture)
License:
CC BY-SA - Attribution - Share alike
