Is this 3D model free to download?

Yes, Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 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 idig3d, 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.

Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 3D printable model by idig3d

Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 photo 1

Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 photo 2

Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 photo 3

Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 photo 4

Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040

Source: Thingiverse by idig3d

The Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 is a free printable 3D model from Thingiverse by idig3d. Extrusion corner brackets with built-in plates. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,355 saves Source: Thingiverse Updated 2026-11-02 License: CC-BY-NC-SA · non-commercial 7 makes Category: 3D Printer

Tags: 1515, 1515 Extrusion, 2020, 2020 extrusion, 2020 mount, 2525, 3030, 3030 extrusion, 4040, 4040 Bracket, angle bracket, bracket, corner, corner brace, corner bracket

About this model

Extrusion corner brackets with built-in plates. Short and tall versions for 2020, 3030, and 4040 extruded aluminum -- and now with 2525. Print three of each for each corner. I like to break things down to essential patterns and make things printable without support. Also, I try to incorporate orientation for making the strongest parts. By printing them in three parts, it should reduce the print time about 10-15% or much more since you can print without supports. Printing them flat this way should also give greater strength in all directions since the part is rotated for each corner direction. 1515 has M3 holes and 5mm thick. 2020 and 2525 have M5 holes and 5mm thick. 3030 and 4040 have M8 holes and are 6mm thick (new version of 3030 short has M6 holes). Updated: 1515 added with M3 holes, 3…

Frequently asked questions

Is this 3D model free to download?: Yes. Extrusion Corner Plate Brackets for 1515, 2020, 2525, 3030, or 4040 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 idig3d.
Who made this model?: Designed by idig3d, 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.