Funnel / mixing hopper for filling 2.75" bird feeder

Yet another funnel… this one's to fill 2.75" ⌀ tubular bird feeders, with an optional "hopper stopper" to help mix seed.
6h 20m
2× print file
0.30 mm
0.20 mm
0.40 mm
118.00 g
2
20
0
182
updated June 2, 2023

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