Hole cover piece for a bandsaw table. Can be fully modified for other bandsaw models. In this case its for a HBS-SBW-4800 Bandsaw.
https://cad.onshape.com/documents/a30a41d10380ea03b5d4e2dc/w/b2c976281bb302961b75e1cc/e/3b3158eaf61f7d378c29e8d4?renderMode=0&rightPanel=variableTablePanel&uiState=68552afe82ffce1fdfe789c2
The author marked this model as their own original creation.