Insert round items like button cell batteries or bobbins for Whity's shallow height rugged box.
To customize, use the Modify > Change Parameters option in Fusion. You can alter the diameter, width, and slot count.
The provided insert is for bobbins measuring roughly 20.5mm in diameter and 11.3mm wide. Narrower ones will fit, but might not be as secure.
The author remixed this model.
Remix of the two slot modular insert