Jam funnel 50mm
This is a dead simple jam filling funnel for jars with 50mm openings. We are in the middle of the jam making season - print this and surprise your other half with it!-)For your home
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I designed this funnel to myself to help filling 250 ml jam jars which has ~50 mm opening. It has a 10 mm wide shoulder which attaches the funnel on the jar's edge. The inner nail ring just 2 mm deep so you can fill the jar with jam almost completely without moving out the funnel from the jar.
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