Offset 4" Round to 2.5""x5" Square Duct Adapter
by mikeyintn · via Thingiverse
| Format | STL |
| Category | Other |
| License | CC BY-SA |
| Triangles | 8.8k |
| Uploaded | Mar 10, 2026 |
⬇ 26 downloads
❤ 1 likes
👁 56 views
Description
I needed a way to convert a 4" air duct to a rectangular shape to go through a stud. Here is what I came up with. I made it offset as you can see in the picture.
Originally published on Thingiverse