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Product Description
Slim Coffee Waste Bin for Narrow Counters
Maximize your countertop real estate without sacrificing capacity. The Rectangular Espresso Knock Box features a slim, space-saving footprint engineered to slide effortlessly into narrow gaps beside your grinder, espresso machine, or tamping station.
- ✓ Narrow-Profile Footprint: Straight rectangular edges squeeze into long, tight counter spaces where round boxes feel too bulky.
- ✓ High-Capacity Storage: Deep, geometric design holds 10–12 used espresso pucks neatly out of sight.
- ✓ Ergonomic Angled Rim: Designed with an angled opening for effortless, splash-free puck knocking.
- ✓ Premium Solid Oak Bar: Features a real oak wood bar to absorb hard impacts and cushion your portafilter basket.
Size & Capacity:
- Dimensions: W10 × D16 × H14.5cm
- Capacity: Holds approx. 10–12 espresso pucks
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Oak Knock Bar: Diameter 2.52cm × Length 10cm
Materials & Care:
- Body: Premium plant-based PLA
- Knock Bar: Solid, real oak wood
- Care Instructions: Hand wash only. Wipe clean with a damp cloth and dry after use.
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⚠️ Do not put in the dishwasher, microwave, oven, freezer, or expose to direct high-heat sources.
Geometric Craftsmanship
Each KNOCDIC® rectangular knock box is individually made to order using high-precision 3D printing. This eco-friendly process results in a remarkably durable structure featuring a subtle, modern surface texture that showcases its unique, handmade origin.
Its architectural design makes it the ultimate workflow upgrade for compact apartment kitchens, professional home espresso setups, or as a premium gift.
The solid oak bar is finished with two coats of Danish oil; wipe it dry after use to keep it looking its best.
729 possible colour combinations
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Pairs well with

Rectangular Espresso Knock Box with Oak Bar
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10 × 16 × 14.5 cm
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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 48 hours on weekdays.
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Shipping Information
- Dispatched in 1–3 working days.
- Ships in our fully recyclable wrapping and boxes. -
Customer Support
Give us a few details and we’ll offer the best solution. Connect by chat, email, and more.
We are available Monday to Friday (10am-6pm GMT)
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FAQ’s
Visit our FAQs page to find answers to common questions.
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Contact Us
We'd love to hear from you. Our team is here to help. Visit our contact page to send us a message.
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Why choose Rectangular?
Narrow footprint
Just 10 cm wide to fit tight spaces next to your grinder or on compact coffee bars.
Tidy workflow
Designed for quick, clean knocking without cluttering your setup.
Custom colour pairings
729 colour combinations to match your machine, space and style.
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FAQs
How many coffee pucks can the rectangular knock box hold?
The rectangular knock box holds approximately 10–12 espresso pucks, depending on puck size and moisture level. It is ideal for daily home espresso use without taking up too much counter space.
Is this knock box suitable for narrow coffee setups?
Yes. This design is only 10 cm wide, making it perfect for narrow gaps beside your grinder, espresso machine, or compact coffee station.
Which inner colour is best?
For everyday use, we usually recommend a darker inner colour such as Matte Black, Charcoal, or Ash Grey, as coffee marks are less visible.
Is the oak knock bar removable?
Yes, the knock bar is designed to be removable, making the knock box easier to clean and maintain.
How do I clean the knock box?
Simply empty the used coffee pucks and wipe the box with a damp cloth. Please avoid putting it in the dishwasher, as high heat may affect the 3D printed material.
What material is it made from?
The knock box is 3D printed using durable PLA-based material and finished with a real oak knock bar. Slight layer lines are part of the 3D printed finish and make each piece unique.
Is it heavy enough to stay in place?
Yes, it is designed to feel stable during daily use while still being lightweight enough to move, empty, and clean easily
Is this better than the square knock box?
Choose the Rectangular Knock Box if you want a slimmer footprint for tight spaces. Choose the Square Knock Box if you want a larger capacity and fewer trips to empty it.