Simple, cheap, and quick adapter to use 250g spools in the AMS. Less than 2 hours print, less than 60g of filament, fitted and removed in seconds.

This adapter cheeks simply clip over the 250g spool. It is designed for Eono 250g spools measuring 151.6mm diameter. Because it clips over accurate dimensions are essential. If your spools are not exactly 151.6mm diameter scaling the whole model by say +/- 1% to suit should not cause problems.

I recommend PETG over PLA for strength and a bit more flexibility.