Is this 3D model free to download?

Yes, 8-Channel Relay Module Case (SainSmart/Kootek) 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 clough42, 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.

8-Channel Relay Module Case (SainSmart/Kootek) 3D printable model by clough42

8-Channel Relay Module Case (SainSmart/Kootek) photo 1

8-Channel Relay Module Case (SainSmart/Kootek) photo 2

8-Channel Relay Module Case (SainSmart/Kootek)

Source: Thingiverse by clough42

The 8-Channel Relay Module Case (SainSmart/Kootek) is a free printable 3D model from Thingiverse by clough42. This thing is a protection and mounting case for the popular 8-channel relay boards commonly sold under the SainSmart and Kootek names and by various eBay sellers. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,632 saves Source: Thingiverse Updated 2026-10-13 License: CC-BY-SA · commercial OK 14 makes Category: Gadgets & Electronics

Tags: arduino, Raspberry Pi, relay, relay board, relay board mount, sainsmart

About this model

This thing is a protection and mounting case for the popular 8-channel relay boards commonly sold under the SainSmart and Kootek names and by various eBay sellers. The opening in the top of the case helps dissipate heat generated by the relays. Holes are also provided to insert wires and tighten the clamping screws without disassembly.

Frequently asked questions

Is this 3D model free to download?: Yes. 8-Channel Relay Module Case (SainSmart/Kootek) 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 clough42.
Who made this model?: Designed by clough42, 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.