Forearm Armor MK3 With Esp32 Microcontroller Mount

This model is a 3D-printable guantelet/forearm armor designed with a focus on simplicity, modularity, and expandability. The overall structure is made up of clean, easy-to-print shapes that minimize print time and support requirements, making it accessible to beginners while still offering plenty of room for advanced customization. Its streamlined geometry ensures reliable results across most FDM printers and allows the use of different materials, from basic PLA for cosplay and prototyping to stronger filaments like PETG or ABS for wearable, durable builds.

The guantelet is more than just a decorative piece: it has been carefully designed with slots and mounting points that make it an extensible platform for additional gadgets or functional attachments. These slots can be used to mount sensors, LEDs, buttons, switches, servos, or even mechanical add-ons, depending on the user’s project. This makes the model equally useful as a cosplay prop, a wearable electronics platform, or a foundation for robotics and prototyping projects.

To enhance its potential, the design also incorporates a dedicated mount for a Wemos ESP32 (ESP-WROOM-32) board, enabling seamless integration with electronic components. This allows makers to add features such as:

Lighting effects (RGB LEDs, EL wire, or addressable LED strips for sci-fi or superhero aesthetics).

Sensors (temperature, humidity, accelerometers, gyros, magnetometers for motion-tracking or environmental monitoring).

Displays (small OLED/TFT screens for readouts, status indicators, or interactive visuals).

Haptics (vibration motors for feedback in gaming or VR applications).

Wireless communication (via Wi-Fi or Bluetooth for remote control, data logging, or IoT integration).

Gesture or motion control (using IMUs or flex sensors, turning the guantelet into a control device for robotics, drones, or smart home systems).

Gaming and cosplay interactivity (triggered sound effects, glowing runes, or reactive armor features).

Because the base model is intentionally simple, users can easily modify it in CAD software or remix it with other designs, adding panels, engravings, or themed embellishments to match a specific style (sci-fi, medieval, superhero, cyberpunk, etc.). The modular slots mean that even non-designers can upgrade their build over time by snapping or screwing on new components without having to redesign the whole forearm piece.

Possible uses include:

Cosplay and props: A customizable gauntlet for superhero, fantasy, or sci-fi costumes, with the option to add lights, sound, or moving parts.

Wearable electronics: A comfortable and functional mount for the ESP32 and sensors, ideal for experimenting with IoT, robotics, or environmental data collection.

Robotics control: Can serve as a forearm-mounted controller for robots, drones, or RC devices, using motion sensors or buttons.

VR/AR experiments: Add gesture sensors or haptic feedback to create an affordable, DIY input device for immersive experiences.

Educational projects: A hands-on platform for teaching electronics, coding, and 3D printing, suitable for classrooms, workshops, or maker spaces.

Practical tools: With customization, it could be adapted into a forearm-mounted flashlight, phone holder, camera stabilizer, or even a compact toolkit.

Whether you’re a cosplayer, a maker, an electronics hobbyist, or someone who just enjoys modular wearable designs, this guantelet provides a versatile base platform that can grow alongside your creativity. Print it, wear it, extend it, and make it your own!