Saptarshi Sadhu
saptarshisadhu21@gmail.com LinkedIn | Experiments
Hardware/Design Engineer
Specializing in mechanical design, rapid prototyping, and integration of electromechanical systems for robotics and automation. Proven track record in developing, testing, and optimizing hardware solutions, ensuring high performance and reliability across interdisciplinary engineering projects.
Skills
Mechanical Design: SolidWorks, Fusion 360, Rhino, CAD for part design and assembly
Simulation & Analysis: FEA (ANSYS), SolidWorks Simulation, structural analysis, GD&T
Electromechanical Systems: Actuators, sensors, motors, microcontrollers, embedded systems, PLC, IoT
Hardware Testing & Debugging: Data acquisition, Systems testing, Protocols: UART, I2C, SPI, CAN, Modbus/TCP
Rapid Prototyping: 3D printing, CNC machining(mill/lathe/routers), laser cutting, injection molding, welding.
Programming: C, Python (data analysis, image processing, robotic manipulation), PLC programming
Design for Manufacturing (DFM/DFA): Manufacturing techniques, assembly, system testing
Education
University of Pennsylvania, MS Integrated Product Design 2021-2023
Focus: Product Design Engineering, Robotics, Mechatronics, Manufacturing, Business Development
Indian Institute of Technology Kharagpur, Bachelor of Architecture 2016-2021
Professional Experience
Foss Water Systems, Seattle, Hardware Engineer June 2023 - Present
Spearheaded system design, hardware prototype fabrication using various rapid prototyping techniques, hardware testing, experiment design, and lab automation implementing IoT and DAQ systems; reducing manual work by 96%.
Optimized bioprocess-based consumer waste treatment, increasing reactor efficiency by 60% and ensuring commercial viability.
Created detailed 2D and 3D CAD engineering drawings, and established SOPs for various sub-systems.
Collaborated with third-party vendors to develop product specifications and CAD designs for pilot prototypes, ensuring alignment with project requirements.
Automated sensor data collection, processing and streaming from a PLC implementing Python scripts and IoT platforms. Also, automated microscopy image analysis, improving lab processing efficiency and accuracy.
Studio Krea, Philadelphia, Mechanical Engineering Intern Dec 2022 - Jan 2023
Prototyped and tested actuators (for a medical device), improving the torque characteristics of a powered arm system for paralysis patients by 66%.
Prototyped multiple hardware iterations using rapid prototyping techniques to refine the design.
Venture Lab@UPenn, Studio Technician Sep 2021 - May 2023
Managed prototyping labs and supported mechatronics development for startups and student projects.
Developed experiments with the 7DOF Franka Emika Panda robotic arm.
University of Pennsylvania, Teaching Assistant June 2022 - May 2023
Assisted in teaching graduate-level courses: Engineering Foundation (IPD-5000) and Integrated CAD, Manufacturing, and Analysis (IPD-5010).
Achievements
Guinness World Record - Longest Running Mechanical Spinning Top (prototype) Dec 2018 - Dec 2020
IIT KGP Student PI: 3D Printing for Building Construction (competitive grant of $12,000) July 2018- May 2021
Selected Projects
Bladerunner: 6DOF Robotic Arm Personal Project March 2023 - Present
Designing and fabricating a robotic arm from scratch; including various actuators, motors encoders, mechanical linkages, electronics, hardware-software integrations, and more. Link to updates.
ORELO - Versatile Ear Protection Master’s Thesis Project Sep 2022 - May 2023
Led the mechanical design, validation, and testing of ear protection devices, for concert-goers, enhancing user experience. Link to Project
Portal: Interactive Projection-Based Installation UPenn Team Project Feb 2022 - May 2022
an artistic installation capturing live audience poses with Kinect II sensors, processed in TouchDesigner programmed with Python. Link to Project Video
Publication: Sadhu, S., & Aadithyaa, J.S. (2020). The Social Pendulum: An Oscillating Robot with Moods and Swings. HRI '20 Companion, March 23–26, 2020, Cambridge, United Kingdom. https://doi.org/10.1145/3371382.3379455