Servo-Driven Tension Claw MK3 for Forearm Armor MK3
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Servo-Driven Tension Claw MK3 for Forearm Armor MK3
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- Printables
- Kategoria
- Electronics
- Licencja
- Creative Commons — Attribution — Noncommercial
This is the third iteration of the Servo-Driven Tension Claw, a add-on for the MK3 Forearm Armor, with major upgrades for efficiency and flexibility. This version uses significantly less material in the base, which is now modular, allowing you to stack multiple bases for extended reach. New front and back attachments—the servo holder and claw mount—secure the servo and claws, respectively. The servo wheel has been redesigned for improved torque. Like before, the claw uses fishing line and the material’s natural curvature for a smooth, non-destructive grip, with extra servo force increasing grip strength without harsh linear motion. The ESP32 code has been updated for smoother claw movement and now displays the claw’s state on an OLED screen, making it easier to monitor and control.
This prototype is perfect for cosplay, hobby robotics, or DIY automation projects.
The base requires gluing or drilling/screwing into the MK3 Forearm Armor’s mount hole.
What’s New in V3:
- Material-efficient base: Uses less material for a lighter, cost-effective design.
- Modular base: Stack multiple bases for customizable reach.
- New components: Includes servo holder and claw mount for secure attachment.
- Reworked servo wheel: Mandatory for enhanced torque.
- Updated ESP32 code: Smoother claw movement with OLED screen state display.
Features:
- Gearless design: Claws use material curvature for reliable, gentle tension.
- Servo-powered: Compatible with standard servos for precise control.
- Fishing line setup: Connects servo to claws for adjustable grip.
- Modular and lightweight: Stackable base with secure servo and claw mounts.
- Applications: Ideal for cosplay, robotics, or prototyping.
Assembly Instructions:
- Print the base, claws, servo holder, claw mount, and servo wheel (PLA or TPU recommended for claws).
- Assemble the modular base (stack as needed for desired reach).
- Attach the servo to the servo holder and secure it to the base.
- Glue the redesigned servo wheel to the servo for improved torque.
- Insert the claws into the claw mount, then link to the servo wheel using fishing line, adjusting tension as needed.
- Glue or drill/screw the base to the MK3 Forearm Armor’s mount hole.
- Upload the ESP32 code to control the claw and display state on an OLED screen.
Esp32 Code:
https://github.com/FrancoNegri/Servo-Driven-Tension-Claw-MK3-for-Forearm-Armor-MK3