November 3, 2025
Description
When we first bought our new house, the home inspector noticed we didn't have a rubber grommet in our furnace where the metal hose entered. Instead of purchasing one, I designed one and printed it out of TPU.
Doesn't require supports.
| Dimensions | |
| Name | Value |
| Insert OD | 44.5mm/1.75in |
| ID | 29.667mm/1.167in |
| Lip OD | 49.5mm/1.95in |
I release all my models under Creative Commons Attribution, but if you find my models helpful, feel free to tip me here: https://ko-fi.com/derpynate
License:
Creative Commons — Attribution