Skip to product information


Our Love Letter to the art of Espresso
Regular price $475 USD $
Regular price USD Sale price $475 USD
Edition | Ultra Edition


Perfectly calculated spirographic movement for flawless powder homogenization; we combined the art of espresso puck prep with the engineering of a Swiss watch. The MOONRAKER® rewrites the book on WDT and espresso puck prep as we know it. 

Availability & Delivery

MOONRAKER is now in stock!


The MOONRAKER is made of all premium materials. The casing is machined and anodized aerospace grade aluminum combined with machined and polished stainless steel. All of the needles are medical-grade stainless, wrapped with copper alloy springs. The ULTRA edition utilizes a solid brass movement (gears), whereas the STANDARD edition is crafted with an anti-static glass fiber reinforced and food-safe polymer. Both editions use embedded neodymium magnets to retain the needles, which also allows for quick replacement. The top surface is chemically-strengthened and back-printed glass, allowing you to peer directly into the MOONRAKER to watch the magic happen.

What does it do?

The Weiss Distribution Technique (or WDT) has been documented on the online coffee forum since 2006 as a method utilizing needles to break up clumps and achieve perfect "puck prep." The MOONRAKER takes that concept and mechanizes it with a calculated and calibrated spirographic movement to ensure perfect homogeneity. While other WDT tools create endless trenches along the same path, the MOONRAKER's patent-pending mechanism endlessly randomizes and homogenizes the coffee bed. There is no better way to prep for tamping.

Included in package

  • One MOONRAKER, pre-loaded with 10 needles
  • One Caddy, solid machined and anodized aluminum.
  • 20 spare needles (mix of long and short)
  • One Coffee Brush


The MOONRAKER is designed for optimal compatibility with our own Unifilter and Unibasket products. It will work just as effectively on most standard 58mm portafilter baskets with rounded or rolled lips, but not on those with flat (90 deg) shoulders.

While it is optimized for 18-22g baskets, larger and smaller basket sizes can be accommodated by cutting the length of the included spare needles.

Recommended Pairings

01 of 00

Spare Needles

Regular price $10
Regular price Sale price $10 USD
Extra extras for peace of mind.


Regular price $85
Regular price Sale price $85 USD
Unifilter extraction, drop-in basket form.

The EG-1 Grinder

Regular price $4,095
Regular price Sale price $4,095 USD
Premium grinding for out-of-this-world coffee.
01 of 6

The MOONRAKER story.

The MOONRAKER is where watchmaking, astronomy, and physics all intersect with espresso tools. It is our sincere LOVE LETTER to the art and science of espresso.

Thoughtful Details

The Spirograph Movement

With all existing products the pins are always on a circular track, so more turns will only result in compacted grooves being formed in the coffee bed. With the MOONRAKER, the more turns performed the more the powder is randomized/homogenized. In our testing, 2+ turns is sufficient for a perfectly prepared coffee bed.

Technical Specifications & Details


Technical Details

  • Size: 75mm diameter x 65mm height (2.9" x 2.55")

  • Weight: 300g (STANDARD), 405g (ULTRA)

  • Material (body): Stainless 304, Anodized Aluminum, Chem-strengthened glass.

  • Material (needles): Stainless 316 with Cu springs.

  • Material (base): Anodized Aluminum with microfiber foot.

Technical Details

Moonraker Maintenance

Your Moonraker should be able to spin with just a finger. If it doesn't, here is how you disassemble and make it smooth again.

What you need:

- 3 strong magnets (neodymium are best)

- Mineral oil (baby oil is the same)

- Q-tip

- Clean paper towel

- Tweezers (optional) for taking out needles, etc.

Technical Details