Is this 3D model free to download?

Yes, 0.5-30V DC Bench Power Supply is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by wisestone, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

0.5-30V DC Bench Power Supply 3D printable model by wisestone

0.5-30V DC Bench Power Supply

Source: Thingiverse by wisestone

The 0.5-30V DC Bench Power Supply is a free printable 3D model from Thingiverse by wisestone. Here is a remake of my bench power supply. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

36 saves Source: Thingiverse Updated 2026-11-01 License: CC-BY-NC · non-commercial 1 makes Category: Gadgets & Electronics

Tags: bench power supply

About this model

Here is a remake of my bench power supply. The power supply provides a useful regulated DC voltage, adjustable from about 0.5V to 30V DC at 4A. The power supply is based on the FNIRSI Step Up/Down 50W Power Module. This improved design (relative to my original power supply) delivers a better user interface and a better 3D printed case. The voltage range is also improved, delivering a higher voltage maximum of 30V. The power supply integrates a digital LCD display with simultaneous voltage, current and power values. The power supply output is an adjustable constant voltage (CV) and/or constant current (CC) supply. I opted for the fan cooled FNIRSI module. As it comes, the budget 30mm fan supplied is a bit loud and always on. Without a fan, the FNIRSI module is rated at only 35W. There’s no …

Frequently asked questions

Is this 3D model free to download?: Yes. 0.5-30V DC Bench Power Supply is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by wisestone.
Who made this model?: Designed by wisestone, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.