The file 'Yeti Colster Adapter 473 To 500ml – Scaled 3D Printer Model' is (stl) file type, size is 146.8KB.
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This is the same as the original from @athingiperson, but scaled up to fit the can better. As per @Bengal512's comment on the original, it has been scaled up 1.0131x in the X and Y direction for the bottom half, but found that too tight with some of my lids, so the top half is only scaled up 1.007x.
See here for a Short Can Adapter, and here for a shim to make a 473ml can to work with this adapter.
yeti-adapter-473-to-500ml_scaled_top-1.0131_bottom-1.007.stl.stl | 335.0KB |