Black Tamp filter negotiator for the xBloom Studio Omni Dripper 2, spiral-ribbed black cup at a three-quarter angle

Filter Negotiator for xBloom Studio

A filter negotiator for the xBloom Studio Omni Dripper 2, also called a smoosher. It presses the paper filter against the walls of the dripper while you rinse it, so the filter sits flat and less water bypasses the coffee. One piece, Ø73 × 56 mm, 3D printed in food-safe matte black PLA.

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A paper filter that sits flat in the xBloom Studio Omni Dripper 2

This xBloom Studio negotiator, also called a smoosher, is sized for the xBloom Studio Omni Dripper 2 (Ø72.8 mm across, 56.0 mm tall). You set it in the paper filter while you rinse it, and it presses the filter against the walls of the dripper, so the filter sits flat and folds evenly.

It is one piece: a tapered cup with spiral ribs outside and a knob in the centre.

A filter that sits flush against the walls leaves less room for water to run past the coffee bed, so less of it bypasses the coffee.

How to use it

Put a paper filter in the dripper, set the negotiator inside and hold it by the knob. Pour the rinse water, lift the negotiator out and add the coffee. Rinse with lukewarm water, not hot: hot water can warp PLA.

Materials and care

The negotiator is 3D printed in food-safe PLA with a matte black finish, and like any 3D printed part it shows fine layer lines on its surface. PLA softens with heat, so wash it by hand in lukewarm water with mild dish soap and keep it out of the dishwasher.