Big Diesel Truck Funnel

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I made this funnel to change the oil on my 6.7 cummins diesel engine.   It's a big funnel to flow lots of oil for both filling the truck and putting the used oil into the bottle to recycle.   

Standard settings.   You can try painting supports into the center column if you have issues printing without.

Big trucks need big oil and make big waste.  This is a big funnel to deal with that volume needed.