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KeyGuard Station – Adaptive Keyboard Support & Guidance for Logitech MXKEYS

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Michael

@Michael_1442457

3D-printed modular keyboard system with key guidance, linear wrist support, VESA mounts, and hands-free control.

Ocena: 5 / 5
Polubienia: 30
Pobrania: 30
Wydruki: 0
Wyświetlenia: 413
Oceny: 1

Aktualizacja u źródła: 11 paź 2026

Informacje o modelu

Źródło: Printables
Kategoria: Home Medical Tools
Licencja: Creative Commons — Attribution — Noncommercial

Szczegóły Pliki (61)Wydruki i komentarze (Wydruki: 0) (Komentarze: 3)Remiksy (0)Kolekcje (16)

Projekt "KeyGuard Station – Adaptive Keyboard Support & Guidance"

The problems it solves:

Lack of hand strength & pain (e.g., due to arthritis, muscle weakness)
Impaired fine motor skills & tremors (e.g., due to spasticity, tremor)
High costs & poor fit (systemic issues)

Summary

The KeyGuard Station is an adaptive keyboard workstation—based on open-source designs and 3D-printed—developed for use by individuals with motor impairments as well as those who operate the device using their mouth. By combining a physical key guide, a smooth-gliding linear wrist rest, dynamic tilt adjustment, VESA mounting options, and an optional mouthpiece, this modular system transforms the Logitech MXKEYS keyboard into an accessible, ergonomic input device that minimizes physical strain.

Since every disability and physical limitation is unique, a "standard" solution often doesn't suit everyone. If you need modifications to the files (e.g., for a different keyboard model, specific spacing, or additional mounts), simply send me a message or leave a comment! I would be happy to create or adjust the CAD files for your specific use case.

Features

Keyguard / Grid overlay: Attaches directly over the key layout to separate individual keys. Prevents slipping and eliminates accidental multiple keystrokes. A version without the grid is also available if not required.
Linear-guided wrist rest: Mounted on low-friction linear rails; supports the full weight of the hand and arm, enabling effortless horizontal movement so that only the fingers are needed for operation.
Mouthpiece for hands-free control: Ergonomic, detachable mouthpiece attachment for direct keyboard operation without the use of hands.
VESA 75 & VESA 100 mounts: Integrated interfaces for easily attaching the unit to monitor arms, wheelchair mounts, or table mounts.
Adjustable tilt: Multi-level tilt adjustment for precisely setting the optimal ergonomic angle for the wrist.
Fully modular: Use only the components you actually need—from a simple keyguard to a complete workstation setup.
Support-free design: All parts are printed flat on the print bed, eliminating the need for support structures.
Comfort: TPU Hand rest
Slip resistance: System contact surfaces made of TPU
Robust & Practical Design: Intentionally designed without complex gears or fragile mechanisms. Built for real-world durability, easy maintenance, and daily reliability rather than over-engineered complexity.
Full Accessibility & Charging: Designed with precise cutouts so you can access the power switch and charging port at any time without removing the cover.
Brass Heat-Set Inserts Throughout: All structural joints use threaded brass inserts rather than screws directly in plastic, preventing thread wear during adjustments or maintenance.
Keyboard layout: The dataset contains data for both EU (ISO) and US (ANSI). The keyguard file in the Enter key area corresponds to the specific layout.

Print information

I would print all mechanical parts and connectors in PETG. Feet, supports, etc., in TPU. (All parts made of TPU have the material name in the filename.)

Material: PETG and TPU/FLEX
Layer Height: 0.2mm
Perimeters: 4
Infill: 25%
Supports: NO (Designed support-free)
Orientation: Print all parts flat on their default bottom face.
3D-printed mouthpiece: Medical/dental resins, PEEK, and PEI. Please carefully verify that the specific materials are suitable for this purpose. Alternatively, purchase a mouthpiece from a specialist retailer or shop and attach it to the 3 mm rod (I can also design an adapter if needed).