Wide mouth Nalgene funnel
thingiverse
I can't be the only person out there who has to pour dry material into Nalgene sample jars, so here it is. The mouth is nearly 6.5 inches across, so all but the most unruly material should go in easily. Once I printed it and used it once, I realized that it won't work for liquids, so I added included a version that has an extended lip to make sure liquids end up where they are supposed to go.
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