Designing a Custom Urban Survival Kit with 3D Printing

Published on January 05, 2026 | Translated from Spanish
Photograph of a gray 3D printed urban survival case, open to show customized compartments holding a power bank, a multi-tool, and a small first aid kit.

Design a Custom Urban Survival Kit with 3D Printing

3D printing opens the door to manufacturing containers that fit exactly to your essential everyday gear. This process allows you to customize each slot to fit items like an external battery, a multi-tool knife, and a small first aid kit, achieving perfect organization and protecting the items from impacts. 🛡️

Plan the Design and Choose the Components

The first step is to decide which objects are essential for your urban environment. A portable power source, a multi-function tool, and basic first aid supplies are usually the core. You must measure each item accurately, recording their main dimensions. With this data, model the case in CAD software, designing specific compartments for each tool. It is crucial to integrate a reliable closure mechanism, such as embedded magnets or a clip, and you can consider adding a loop to hang the kit from a backpack or belt.

Key steps for the design:
  • Define and precisely measure the essential objects.
  • Model cavities in CAD that fit each shape.
  • Incorporate a secure closure system and external attachment options.
A 3D printed case not only organizes but ensures that every tool is ready to use instantly, without searching through clutter.

Print and Assemble the Custom Case

Select a suitable filament for the robustness you require, such as PLA or ABS. Configure your slicer software with parameters that reinforce the part, for example, increasing the internal infill percentage. Once the printing starts and finishes, carefully remove the support structures if they were generated. Check that each tool fits perfectly in its designated compartment. The final assembly is usually minimal, as the box is often printed as a monolithic unit.

Manufacturing process:
  • Choose durable material and configure for maximum durability.
  • Monitor the printing and carefully remove supports.
  • Verify the precise fit of all components in their compartments.

Advantage of the Custom Kit

This method efficiently solves everyday organization problems. The result is a compact container that prevents items from moving, scratching, or getting damaged, keeping your gear accessible and in optimal condition. Although it doesn't solve all unexpected urban situations, having your essential tools well-organized and at hand is a significant advantage in any context. 🎯