Tools
Box‑opening knife
Express Cutter
快递开箱小刀
Unboxing tool
Unboxing tool
快递开箱小刀
Express Cutter
Box‑opening knife
Tools

483
38
⭐Precise modeling with SolidWorks

🚀Model Overview
This is a creatively designed parcel‑opening knife tailored specifically for today’s online shoppers. Leveraging the freedom of form offered by 3D printing and meticulous structural optimization, it breaks away from the conventional paper‑cutting knife design, presenting a highly distinctive biomimetic “claw” silhouette. Its signature circular finger loop allows users to easily slip their index finger through and maintain a secure grip, effectively turning the knife into an extension of the second fingertip—delivering exceptional handling flexibility and preventing loss, all while keeping the overall size extremely compact.
In terms of model design, every detail has been carefully balanced to optimize mechanical strength, 3D‑printing processability, and user safety. The blade features an extensive hexagonal honeycomb lattice hollowed‑out structure, which not only significantly reduces weight and conserves printing material but also prevents internal collapse during printing, ensuring robust structural integrity. The blade tip is ingeniously shaped as a blunt inward‑curving hook, providing effective protection against accidentally damaging the contents inside when cutting open courier tape; meanwhile, the back of the hook is equipped with a series of anti‑slip serrations, serving as an auxiliary gripping surface to effortlessly tear even the most stubborn adhesive seals. The fully plastic, one‑piece construction eliminates traditional metal blades, greatly enhancing everyday safety.
In usage scenarios, this tool is the perfect companion for office workers, college students, mailroom staff, and anyone who regularly opens packages at home. Whether dealing with routine online orders or bulk unpacking of small warehouse shipments, simply slip it onto your index finger and make a gentle swipe to cleanly cut through the tape—enabling quick, seamless parcel opening in one smooth motion. Its eye‑catching orange‑red finish makes it easy to spot amid piles of boxes, while its lightweight, compact form allows it to conveniently attach to a keychain or slip into a pocket. Beyond being an efficient solution to common unpacking challenges, this product exemplifies the harmonious fusion of cutting-edge 3D‑printing technology and practical everyday aesthetics.
🚀Printing Recommendations
Standard default settings are sufficient for normal printing.
We recommend using high‑strength filaments such as PETG or PC‑ASA to extend the tool’s service life.
Originality of the Model
The author declares that this work is their personally original model
This model is licensed under the following terms:
This work is licensed under a Standard Digital File License. Digital files have a strict non-commercial, personal use only license.
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.
Models(1)
拆快递小刀.3mfDesigner148.11 KB
2026-07-12





