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Perfect Fit Picopresso Travel Funnel & Tamper V2

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A1 mini
X1E
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H2C
X1 Carbon
H2D Pro
X1
H2S
H2D
P2S
A1
P1P
X2D
A2L

Travel Funnel & Tamper V2
Travel Funnel & Tamper V2
Designer
1.8 h
2 plates
1.0(1)

Open in Bambu Studio
Boost
9
36
12
2
36
25
Released 

Description

My other Picopresso Prints:

Perfect-Fit Wacaco Picopresso Travel Dosing Funnel and Telescoping Tamper Upgrade

Making espresso on the go should feel just as elegant as at home—but the stock Picopresso travel funnel makes that nearly impossible. It’s short, it’s messy, and it forces a clunky two-step tamping process that never felt right to me.

 

I set out to fix that.

 

After designing my Perfect-Fit Dosing Funnel for home use, I knew the travel version needed a rethink from first principles. My goal: build the tallest possible dosing funnel that still fits cleanly inside the Picopresso body for travel. Turns out, there’s far more room than the original funnel uses—so I designed one that’s 19mm tall, over 50% taller than the stock funnel.

 

That created a new problem: the stock tamper isn’t even close to tall enough. And honestly, it never worked well with a funnel anyway—always requiring two tamps. So I engineered a telescoping tamper that expands to a full height over two times taller than the stock tamper, locks solid for a single firm press, and collapses back down to exactly 19mm to pack alongside the funnel.

 

The result is a travel kit that’s tighter, cleaner, and far more satisfying to use. The funnel and tamper nest perfectly snug inside the Picopresso bodynot a millimeter wasted—for an ultra-compact, ultra-refined fit that just feels right.

 

Key Features

  1. Zero-mess - get 100% of your grounds in your puck
  2. Single-Tamp workflow - no more tamp, remove-the-funnel, tamp-again
  3. 63% Lighter than the stock metal tamper (42g vs 112g)—while I appreciate Wacaco for providing us with a metal tamper, when traveling, every gram counts; getting a quality tamp on your puck doesn't require a heavy tamper

Max-Sized Travel Dosing Funnel

Having designed a 5000x better Perfect Fit Dosing Funnel for using the Picopresso at home, the whole focus of this project was improve the workflow around the travel funnel.

  • Less mess improved WDT workflow with 50% taller, 19mm-tall funnel
  • Mess further reduced with the same perfect-fit geometry as my home funnel with an inner lip as well as an outer lip (stock funnel only has outer) so grounds don't get trapped on the rim and spill when removing the funnel
  • Maximum Size Possible: Uses every millimeter of free space inside the Picopresso body

Collapsible Telescoping Tamper

  • Single-tamp workflow—height matters
  • Expands to 46mm—over 2.5× the height of the stock tamper
  • Collapses to 20mm flat for travel—fits perfectly inside the dosing funnel
  • Twist-locks into place with a simple clockwise turn; counter-clockwise to unlock and snaps flat

Designing the telescoping system took me weeks! I'm pretty happy with the final result. I hope you will be, too. I included some photos of the insides for those who are curious.

 

Modular, Customizable Design

 

Prints in 4 parts, so you can choose your filament color for each part - or just print all 4 parts on one plate - even on the A1Mini. I recommend choosing one color (PLA wood in the pictures) for the funnel and handle and another for the telescope and tamper-base (black in the pictures).

  • Funnel: 3 concentric interlocking rings print
  • Tamper: 3 physical parts
    • Handle
    • Base
    • Telescoping body (prints as one piece, functions as three interlocked moving parts)
  • Mix and match materials colors for each part to customize

Assembly Guide

  • Snap-fit the handle on top (alignment notch provides added friction).
  • Snap-fit the tamp base on the bottom.

    Assembly

Development of V2

After over a dozen iterations, I found the prefect solution for the telescoping tamp. V2 solves many problems with the original design:

  1. V2 comes off the plate perfectly, never binding, already freely moving
  2. V2 needs no supports
  3. V2 has 10% more extension
  4. V2 has dramatically less slop
Test Prints in the Development of V2
Left: V1, Right: V2
Greatly reduced mechanism ‘slop’

My Other Perfect-Fit Coffee Gear

Why This Exists

Because the Picopresso deserves better—and so do you.

 

This funnel + tamper system is optimized for travel, maximized for usability, and thoughtfully engineered to fix the parts of the workflow that never felt quite right.

 

Boost Me (for free)

Want more 3D-printed coffee gear? Give me a boost - it keeps me motivated! Thank you.

Comment & Rating (12)

(0/1000)

I debated writing this review as I am sure you worked hard on it, and set it out for free, but I have had no luck in getting the collapsing tamper to print successfully. I've tried three times, at two different speeds (standard and silent), and with two different filaments (Bambu Basic Black PLA, and Sunlu Black PLA 2.0). I can get the small, inner ring to extend, but despite pushing, twisting, using a hammer/ craft knife/ screwdriver, I've been unable to separate and extend the middle ring. I've rolled two heavily on their sides to see if the pieces might be able to shift. Nothing works. I managed to break one open, and can see how nicely they fit together, but I still can't get the other two extended.
The designer has replied
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Reply
I'm glad you wrote your review. Maybe together we can figure out what's going on. I iterated so many times trying to get the print as reliable as I could. For me it got there, but it is a tricky bit of kit. I'm not overly surprised that on your particular setup something just isn't working. I've used both Bambu PLA and ESun PLA successfully. I have an A1 and an A1-mini to test on. What printer are you using? Are there any other details about your setup you can give m? Dry filament probably matters to some extent, though I don't have any fancy setup here.
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After your comment, I tried a re-print, and it was pretty rough. So, I got busy and solve one problem after another. After more than a dozen test prints, V2 should solve all your problems. It should print seamlessly. There is no longer any need to "break" the telescope in. It should come off the plate perfect and moving right from the beginning. Thank you again for writing. Seriously!
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Boosted
Printed by object with a different colored lid and stacked the "Telescope" inside the "Funnel" object for efficiency on the build plate. Works great and fits the basket and inside the water chamber perfectly! The extra weight savings are a bonus for my backpacking trips!
The designer has replied
designer
1
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Looks amazing! Thanks for sharing the photos.
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I don’t really understand, the telescoping part prints as a solid piece. there is nothing to telescope.
The designer has replied
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Aha! Thanks for sharing the photo. I checked the profile and that part was upside down. Could you try it again?
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Hi there, I really like your designs and was wondering if you consider using the original metal tamper base in a 3d printed vision? Either way, would there be a possibility for you to make a version of the tamper with that metal base? I looked through the 3d print websites and couldn't find even one tamper for the Pico to make use of the original base. I would really enjoy keeping it. Let me know what your thoughts are about that! Thank you for your efforts!
The designer has replied
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What were you thinking exactly? Maybe unscrewing the stock plastic top and screwing on a more traditional tamp handle? Or maybe my modular, adjustable handles? Or were you thinking of something else?
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Replying to @Kanjirevilo :
yeah something like that! all Sounds like a great improvement to me. I had a look and would really be interested in a design that is related to the pancake tamper from sworksdesign. I am a big fan of selfleveling tampers but that’s just me. Anyway excited to see if you could realise something with the original metal base 🙏🏼
designer
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It’s an interesting challenge. I just unscrewed it again for the first time in a year or two. The threads are tiny, so it may not be possible to print a fine enough screw to interface with it. I’ll have to experiment. If we can fine a printable screw that meshes though, making an adapter for my Perfect Fit tamper system would be easy. That screw though…. we’ll have to see.
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Print Profile
Travel Funnel & Tamper V2
(Edited)
Other Issues:bottom prints as continuous surface. non functional. same problem on both A1 and X1C.
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