3" Core Adapter to 1" EMT Conduit

This is a roll core adapter I designed to work with a 3" shipping tube from Staples and 1" EMT Conduit from Home Depot.

The ID and OD may need to be adjusted depending on the fit you are looking for on the EMT and Core.

[Fusion360 Public Link](https://a360.co/2MdKw7S)

Please let me know what you think!