
Planetary Gear Espresso WDT Tool
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A 3D-printed WDT tool that uses a planetary gear mechanism to sweep its needles in a repeating spirograph pattern across the coffee bed. Needle depth adjusts from roughly 15 to 30 mm by rotating the base, and needles insert from above so you can trim them to your basket. It comes with a base holder with a brush insert and a set of spare needles. It suits home espresso users who want more consistent puck prep than a fixed needle tool gives, and it costs far less than machined metal distribution tools, though the printed body and plastic gears are the trade-off.
In stockShips from Singapore · priced in SGD (SGD 41.05) · duties may applyReturn policy
This planetary gear WDT tool distributes coffee grounds before tamping. A 3D-printed gear mechanism moves the needles in a repeating spirograph pattern. The motion helps break up clumps and cover the coffee bed.
The needles are replaceable. They are inserted from above and can be trimmed to suit the basket and the preferred depth. The default needle layout has additional mounting holes for custom placement. The base holder includes a brush insert to help keep the work area tidy, and a set of spare needles is supplied.
The tool comes in versions for different baskets and portafilters. Matching nominal diameters do not always guarantee a fit, so check the version against your actual basket geometry and the number of portafilter ears. Results depend on technique, grind and other preparation steps.




