
Closed
Posted
Paid on delivery
I need a detailed CAD design of an automotive-engine connecting rod that uses an internal lattice or topology-optimised structure instead of the traditional solid beam. The goal is to arrive at a manufacturable geometry that meets typical OEM loading conditions while showcasing the weight-saving potential of lattice technology. Please base the work on a standard passenger-car gasoline engine con-rod envelope (big-end, small-end, centre-to-centre length and bolt pattern can follow any widely used spec so long as you state it clearly). I will supply peak cylinder pressure and inertial load data once we start; you can use those numbers for all stress and fatigue calculations. Preferred workflow • Create the baseline solid model, apply loads, then iterate a lattice/topology optimisation (nTopology, Altair Inspire, Autodesk Generative Design or similar—your choice, just note the software you use). • Validate the final concept with finite-element analysis for static strength and high-cycle fatigue. • Prepare manufacturing-ready files: STEP (machining) or STL (additive), plus a concise report summarising mass, safety factors, and key assumptions. Acceptance criteria 1. Lattice rod mass at least 20 % lower than the solid baseline under identical boundary conditions. 2. Minimum factor of safety ≥1.5 on peak firing load and ≥1.1 for fatigue life over 10 million cycles. 3. All fillets, wall thicknesses and lattice cell sizes respect 3-axis CNC or metal-AM limits you specify. If you have prior work on lattice or generative lightweighting, please mention it so I can gauge fit quickly.
Project ID: 40745596
9 proposals
Remote project
Active 4 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
9 freelancers are bidding on average ₹917 INR for this job

Hi there, I can design and optimize the lattice connecting rod using a baseline solid model followed by topology/lattice optimization and FEA validation. I have 7+ years of experience in mechanical design and FEA, including nonlinear/static structural analysis, fatigue, load-path evaluation, CAD and design optimization. I can deliver the optimized connecting rod with ≥20% weight reduction target, strength/FOS checks, fatigue assessment, manufacturability constraints, and STEP/STL files. I can work with SolidWorks and ANSYS/other suitable optimization workflows and provide a concise engineering report with assumptions, mass comparison, stress, deformation, FOS and fatigue results. Please share the peak cylinder pressure, inertial loads, material and preferred manufacturing process. Best regards, Arati M.
₹1,050 INR in 7 days
6.6
6.6

Hi Sir, I can engineer a **lightweight, manufacturable connecting rod that targets 20%+ mass reduction without compromising structural performance**. I’ll build the baseline, apply your cylinder/inertial loads, then develop the lattice/topology-optimized geometry using the appropriate generative design workflow. The final concept will be validated through static FEA and high-cycle fatigue, targeting your required safety factors and 10M-cycle life. I’ll deliver manufacturing-ready STEP/STL files plus a concise report covering mass, FOS, assumptions, lattice parameters, and manufacturing limits. I can also share relevant lightweighting/generative CAD work and confirm the selected software and workflow before starting. Best regards
₹600 INR in 1 day
5.3
5.3

I’m a Mechanical Design & Production Engineer experienced in SolidWorks, FEA, CNC machining, and lightweight mechanical design. I can develop the baseline connecting rod, apply your supplied loads, optimize the structure, and validate the final concept for static and fatigue performance. I can deliver the manufacturing-ready CAD/STEP or STL along with a concise report covering mass reduction, safety factors, assumptions, and manufacturing limits. Happy to review the engine/load data and discuss the workflow.
₹1,050 INR in 7 days
4.8
4.8

Your project is more than a conventional connecting-rod CAD job — the main challenge is achieving meaningful weight reduction while still satisfying the required static strength, fatigue life, and manufacturing constraints. I can develop the project through a structured workflow: • Create the baseline connecting-rod CAD model from a clearly stated passenger-car engine envelope • Apply your peak cylinder-pressure and inertial load data • Perform topology optimization to identify the most efficient load-carrying geometry • Develop the optimized/lattice structure with manufacturing constraints in mind • Validate the final design using static FEA and high-cycle fatigue analysis • Compare the optimized design against the solid baseline for mass and safety factors • Deliver the required STEP/STL files and a concise engineering report I have experience working with SolidWorks and mechanical CAD/engineering analysis workflows, and I would be transparent that lattice/generative optimization would be a specialized part of this project rather than claiming previous identical connecting-rod work. Once you provide the pressure and inertial load data, I can use those values consistently throughout the optimization and validation process. Would you like the final concept optimized specifically for 3-axis CNC machining or metal additive manufacturing?
₹800 INR in 7 days
5.3
5.3

With a core expertise in Mechanical Design and Product Development fused with proficiency in professional CAD software like SOLIDWORKS, ANSYS, Fusion 360 and Rhino 3D, I am ideally positioned to undertake this lattice connecting rod design project. My journey in this niche field has honed my skills not only in creating detailed 3D models but also in conducting finite element analyses for components under operational conditions. I can bring this valuable experience to generate the optimum design for your connecting rod. My pitch-perfect FEA simulations are aimed at ensuring structural integrity and performance optimization without compromising on critical factors like safety. My past experience with weight reduction strategies demonstrates how I can skillfully achieve the specified 20% weight reduction whilst adhering to CNC or metal-AM limits. As a bonus, using software like Autodesk Generative Design, I can find an ideal geometry that meets all the specifications for you.
₹1,000 INR in 7 days
4.3
4.3

Hello, I hope this message finds you well. My name is Rade, and I am a mechanical engineer based in Belgrade, Serbia, with over nine years of experience in the field. I have completed many projects throughout my career, primarily utilizing SolidWorks software. My portfolio showcases several projects across various sectors, including the military, food, and pharmaceutical industries. Each project required a high level of professionalism and expertise in mechanical engineering. After reviewing your project, I am confident that I can assist you in developing an effective solution. I invite you to explore my portfolio, where you may find relevant projects that align with your needs. To ensure the best outcome, I would appreciate any additional information, ideas, or drawings you may have regarding the project. This will help me gain a deeper understanding of your specific goals. I look forward to collaborating on this project and future endeavors. Best regards, Rade
₹1,050 INR in 7 days
4.2
4.2

I can develop the connecting-rod concept from a solid baseline through lattice/topology optimisation and FEA validation, using the supplied engine loads and clearly documented assumptions. I can work with a free/open-source CAD/FEA workflow and deliver STEP/STL files plus a concise report covering mass reduction, stress, safety factors and fatigue results. I’ll also ensure the final geometry follows practical CNC/metal-AM constraints. I can start by defining a suitable passenger-car con-rod envelope and baseline model.
₹1,050 INR in 2 days
0.0
0.0

Good Day, I have extensive experience in creating detailed CAD designs for automotive components, including lattice structures for connecting rods. Your project requires a balance of innovative design with manufacturability, and I can deliver a lightweight connecting rod that meets OEM loading conditions while optimizing for mass reduction. I bring experience in CAD design, topology optimization, and finite-element analysis, ensuring your connecting rod will achieve a minimum 20% mass reduction while maintaining necessary safety factors. My proficiency with tools like nTopology and Autodesk Generative Design allows for an efficient workflow, ensuring all criteria are met. I would love to chat about your project and suggest a follow-up discussion to align our goals and expectations. Regards, Nabeel Ismail
₹600 INR in 7 days
0.0
0.0

I offer clean, optimized 3D models for games, animations, and visualization at just ₹1000 per model. Delivery format: FBX (compatible with Blender, Unity, Unreal, Maya, 3ds Max, etc.) Suitable for: props, simple characters, architectural elements, product models, and more Includes: basic UVs and clean topology; textures on request Ideal for students, indie developers, and small projects needing good quality at a budget-friendly price. Message me with your reference images or requirements to get started.
₹1,050 INR in 7 days
0.0
0.0

Hyderabad, India
Member since Sep 8, 2026
$15-25 USD / hour
$250-750 AUD
₹1500-12500 INR
₹600-1500 INR
₹400-750 INR / hour
$250-750 AUD
$30-250 USD
£1500-3000 GBP
$8-15 USD / hour
€100 EUR
$10-30 AUD
$10-30 USD
$30-250 USD
$250-750 AUD
$10-30 USD
₹600-1500 INR
$250-750 AUD
$250-750 USD
₹1500-12500 INR
$25-50 USD / hour