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Hardware Downloads

Configure and download the hardware files for your Open-Source Leg system

View Datasheets View Bill of Materials

Configure your System

Select the joints you want to build and whether you need Series Elastic Actuators.

Joint Selection

Complete System (Knee + Ankle)

Full prosthetic leg system

Knee Only

Knee joint assembly

Ankle Only

Ankle joint assembly

Series Elasticity

With SEA

Includes springs for compliance and shock absorption at the joint(s)

Without SEA

No springs resulting in a stiffer joint(s) but simpler assembly process

Downloadable Files

Complete OSL System with SEA

Full knee and ankle system with springs

Download STEP + DWG Files

Bill of Materials

Click on any component below to access quotes or supplier information.

By Supplier

Browse components organized by supplier for streamlined procurement

Machined Parts

$5,453

ZTL

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Shafts

$67

Misumi

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Fasteners & Bearings

$1,127

McMaster-Carr

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Thrust Washers

$21

Igus

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Belts

$162

B&B

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Load Cell

$3,420

SRI

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Batteries & Actuators

$12,630

Dephy

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Angular Contact Bearings

$75

Lily

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Encoders & Raspberry Pi

$112

Mouser

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* All prices shown are estimates for all components required to build one complete Open-Source Leg system

View Complete BOM View BOM in OnShape

The Bill of Materials is directly linked to our OnShape CAD models for easy reference and part identification.

Component Datasheets

Download technical specifications and datasheets for all components used in the Open-Source Leg system.

Component	Description	Download
Dephy GUI Software	Graphical user interface software for Dephy Actpack configuration and control
Dephy GUI User Manual	Comprehensive user manual for the Dephy GUI software interface
Dephy Actpack 4.1 (9:1 Geared Actuator)	High-performance geared actuator with on-board controller
Dephy BA30 Battery	High-capacity lithium-ion battery pack with built-in safety features
Dephy Smart Battery Dock for BA30 Battery	Smart charging and management dock for BA30 battery system
AS5048A/AS5048B Magnetic Rotary Encoder	Magnetic rotary encoder with 14-bit resolution
6 Axis F/T Load Cell	Six-axis force/torque sensor

* All datasheets are provided by their respective manufacturers and are updated periodically

Contribute to the Project

Found a better-priced component or have suggestions to improve the Open-Source Leg? Share your discoveries with our community and help make our platform more accessible to everyone.

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