
Closed
Posted
Paid on delivery
I have an existing surgical drill device captured only as a high-resolution STL mesh. I now need a clean, fully watertight solid model in STEP format so the part can move straight into CNC machining and other manufacturing workflows. The job calls for reverse-engineering the mesh into a parametric solid: surfaces must be healed, all voids closed, and critical geometric details preserved exactly as they appear in the STL. Wall thicknesses, hole diameters, and mating faces have to remain within typical medical-grade tolerances so that downstream suppliers can rely on the file without additional touch-ups. Preferred tools are SolidWorks, Siemens NX, Fusion 360, or comparable CAD software capable of producing STEP AP214/AP242 output; feel free to use mesh repair utilities like Geomagic or MeshLab during the cleanup phase. Deliverables • One .STEP file representing the complete drill body as a single solid • A brief report (PDF or DOCX) noting any assumptions, dimension checks, and validation screenshots comparing STL vs. STEP I will supply the original STL immediately on project start and can answer dimension-critical questions along the way. Looking forward to a precise, manufacture-ready model.
Project ID: 40694093
30 proposals
Remote project
Active 3 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
30 freelancers are bidding on average ₹26,068 INR for this job

Hello! I have extensive experience working on projects involving the conversion of 3D scan data into accurate STEP files for SolidWorks. I use the Geomagic for SOLIDWORKS add-in, which is specifically designed for reverse engineering and converting scan data into CAD models. I’d be happy to show you some of the projects I’ve completed in the past when we have a direct chat, so you can get a better idea of my experience and the quality of my work. I hope we’ll have the opportunity to work together. I look forward to hearing from you! Best regards, Minh
₹25,000 INR in 3 days
7.2
7.2

Hi, I reviewed your project requirements and I can help you develop a practical, production-ready solution—not just a visually complete CAD model. I’m a mechanical engineer with 13+ years of experience in product design, mechanical systems, CAD development, engineering analysis, and multidisciplinary coordination. Depending on the project, I can support concept development, detailed 3D modelling, assemblies, manufacturing drawings, BOMs, technical calculations, simulations, and fabrication-ready files. My focus is always on clear drawings, realistic detailing, manufacturability, and fast communication throughout the project. I work mainly with SolidWorks, AutoCAD, ANSYS, Revit, Fusion 360, and related engineering tools. You can review similar design and engineering work in my profile. Once I see the available drawings, dimensions, and expected deliverables, I can suggest the most efficient way to proceed. Best regards, Gökay Zaralı
₹32,000 INR in 7 days
6.7
6.7

With over a decade of industry experience in mechanical engineering and design, I believe I possess the skills and expertise necessary to deliver the highest quality results for your surgical drill STL-to-STEP conversion project. My proficiency in leading CAD software such as SolidWorks, coupled with my experience in Autodesk Inventor and Creo, enable me to adeptly handle complex design tasks with precision, as required for this project. I have successfully worked on diverse projects similar to yours, where parametric solid modelling and adherence to tolerances played a crucial role. My exposure across sectors including HVAC, Automotive Bodies, SPM, Oil & Gas, and Food & Beverages has honed my ability to handle demanding projects while ensuring that all regulatory standards are met. Moreover, my experience with CFD and FEA for mechanical designs provides an added advantage when it comes to dimensional checks and validations. I am driven by a commitment to delivering professional solutions uniquely tailored to meet each client's needs. With me on board, you can be assured that not only will your mesh be cleanly converted into a watertight solid model, but every vital geometric detail and dimension will be precisely preserved for CNC machining and other manufacturing workflows.
₹22,000 INR in 10 days
6.3
6.3

I am here to bring your product to life. I'm a mechanical engineer with 11 years of experience designing industrial product, furniture product, plastic product and machine, automatic system Experience type: 3D, 2D models, Render, Sheet Metals, Machines and Devices, Industrial Products, Plastic Molds, Plastic Parts Software program: Autodesk Inventor, Solidworks, Autocad , NX-Siemens I am always glad to cooperate, I guarantee quick lead-time, information of the project is always confidential . Your project will be developed with speed and high quality, as well as all the jobs already accomplished. Please send me a message
₹27,000 INR in 7 days
5.9
5.9

With over a decade of experience in 3D Modeling, I've acquired the skills necessary to flawlessly accommodate your requirements for this surgical drill project. My expertise spreads across various software like SolidWorks, Siemens NX, Fusion 360 - all of which are apt for producing STEP AP214/AP242 output. Therefore, assuring a streamlined conversion process from STL to STEP with precision is my specialty. What sets me apart from other freelancers is my distinct focus on the end-use applications of the models I create. With ample experience in designing mechanical parts, industrial components, and functional prototypes- my designs always adhere to industry standards and optimize manufacturing processes. Wall thicknesses, hole diameters, mating faces – all aspects remain within medical-grade tolerances without needing any extra touch-ups. Moreover, I am also well-versed in employing mesh repair utilities like Geomagic and MeshLab for accurate conversion. Alongside the deliverables requested, you can expect regular updates regarding assumed dimensions, any crucial assumptions made during the process backed up with validation screenshots comparing STL vs. STEP.
₹190,050 INR in 5 days
5.6
5.6

Hi, I’m a Mechanical Engineer with strong experience in SolidWorks, reverse engineering, 3D CAD modeling, and manufacturing-ready solid design. I can convert your high-resolution STL mesh into a clean, fully watertight parametric solid, carefully preserving the critical geometry, holes, mating faces, and overall form of the surgical drill body. I’ll ensure the resulting STEP model is suitable for CNC and downstream manufacturing workflows, with geometry validation and dimensional checks against the original STL. I can also document the key assumptions and provide comparison/validation screenshots as requested. Thanks.
₹12,500 INR in 3 days
5.1
5.1

This part is relatively simple for me; I've been using PTC/Creo for product design since 2008. If you don't mind the software, I can accept your invitation anytime. I will provide CAD files (DWG or STP) and printable PDF files on time and complete the task within the specified period. I'd be happy if you contacted me.
₹35,000 INR in 7 days
5.0
5.0

Hi i hope my work get your approval and appreciation please check my profile I am ready for any modifications or proposals check my profile https://www.freelancer.com/u/husien2
₹25,000 INR in 7 days
4.8
4.8

Hi, I've read your requirement - reverse-engineering a high-resolution STL of a surgical drill into a clean, watertight parametric solid in STEP (AP214/AP242), with surfaces healed, voids closed, and critical geometry, wall thicknesses, hole diameters, and mating faces preserved within tight tolerances for direct CNC manufacturing use. I'm a mechanical design engineer with 5+ years of experience in reverse engineering and precision parametric CAD modeling in SolidWorks, working regularly with tolerance-critical mechanical components and validating reconstructed geometry against source data before delivery. I'll import and clean the STL, rebuild the solid parametrically preserving all critical features, verify wall thickness/hole diameters/mating faces against the mesh, and export as a single watertight STEP file. I'll also prepare the comparison report (STL vs STEP validation, dimension checks, and any assumptions made) as requested. Similar work: https://www.freelancer.in/u/shubhamkumawat69?sb=t Estimated turnaround: 1-2 days once I have. Thank you for considering my proposal.
₹22,000 INR in 10 days
4.4
4.4

Hello, I have checked your description. Can you send STL or pdf files. I will do STL into STEP Solidworks or Autodesk inverter. I will provide you final output STEP files. I have 12 years experience in this filed. I am professional mechanical engineering design in AutoCAD, Solidworks, Autodesk inverter, Siemens NX, Drafting, Laser cutting drawing, Engraving drawing, Plasma cutting drawing, Technical bp GA drawing, 3D Design, Furniture design, CNC design, Concept design, Product devlopment, Prototype design, Assembly drawing, Exploded view, Manufacturing drawing, 3D Design, Mold design, 3D Printing, Technical drawing, Fabrication drawing, Manufacturing drawing, GA Drawing, Isometric drawing, Front, Elevation, Section, Left and right side, BOM. I am waiting for your response. I will reply within few minutes Thank you
₹20,000 INR in 3 days
4.4
4.4

Hi there ! With an extensive background in mechanical and product design, particularly with an emphasis on reverse engineering, I bring a unique skill set to your project. My proficiency in using SolidWorks, one of your preferred tools for this conversion task, ensures not just roundabouts but precise outputs within the medical-grade tolerances you require. In addition, I have hands-on experience working with STL-to-STEP conversions using software like Geomagic and MeshLab - skills that will come in handy in healing surfaces, closing voids and preserving geometric details accurately. As you mentioned, the deliverable should be a fully watertight solid model in STEP format which is exactly what I'll achieve for you. What sets me even further apart is my design for manufacture mentality; always keeping the entire production phase in mind. This means your deliverables will be manufacture-ready with no need for further touch-ups. As an added bonus, I will provide you a detailed report documenting any assumptions and validation screenshots comparing the STL to the new STEP file. With my commitment to quality deliverables and always being available for questions or clarifications throughout the project - you can trust that our collaboration will be seamless and effective. Thanks & regards Gaurav Sharma…..
₹12,500 INR in 1 day
4.1
4.1

As an adept mechanical designer with comprehensive experience in product development and CAD drafting, I'm perfectly poised to accomplish your project goals. I possess deep proficiency using SolidWorks, Fusion 360, and other leading CAD software that you've endorsed. My familiarity with reverse-engineering and utilizing mesh repair utilities like Geomagic or MeshLab will ensure accurate conversion of your existing STL into a water-tight and precisely dimensioned STEP format that meets medical-grade tolerances. In addition to converting the STL file, I'll also provide a detailed report documenting any assumptions made during the process, along with comprehensive dimension checks and validation screenshots comparing the STL versus the STEP files. With my background in ANSYS Simulation, it would also be feasible to examine the drill's structural integrity if you so desire.
₹12,500 INR in 7 days
4.3
4.3

Hi, I can reverse-engineer your **high-resolution STL surgical drill** into a clean, watertight, parametric solid model suitable for CNC and manufacturing. I have extensive experience with **SolidWorks, mechanical CAD, reverse engineering, surface modelling, and mesh-to-solid conversion**. I will carefully preserve critical geometry, mating surfaces, holes, and wall thicknesses while repairing and validating the model. Deliverables: * Single watertight solid **STEP AP214/AP242** * Dimension and geometry validation * STL vs. STEP comparison screenshots * Brief PDF/DOCX report with assumptions and checks I understand that precision is critical for this application, and I will ensure the final model is properly validated before delivery. Please send the STL and I can review it immediately. Regards, Firman
₹12,500 INR in 3 days
3.7
3.7

Hello, I’m Dr. Imran Khan, a PhD-qualified Mechanical Design Engineer with 15+ years of experience in reverse engineering, SolidWorks, Fusion 360, surface modeling, and manufacturing-ready CAD development. I can reverse-engineer your high-resolution surgical drill STL mesh into a clean, fully watertight parametric CAD model suitable for CNC machining and downstream manufacturing workflows. My approach will focus on creating true reconstructed CAD geometry, rather than simply converting the mesh into thousands of triangular STEP faces. I will cover: • Detailed STL mesh inspection and cleanup • Reconstruction of smooth analytical and freeform surfaces • Accurate preservation of holes, wall thicknesses and mating faces • Closure of voids and healing of surface boundaries • Creation of a single, watertight solid body • Dimensional comparison between the original STL and final CAD model • Validation for manufacturing and STEP export Deliverables ✔ Clean STEP (.STEP/.STP – AP214/AP242) file ✔ Complete model as a single watertight solid ✔ Smooth reconstructed surfaces suitable for CNC workflows ✔ Critical feature and dimension verification ✔ PDF/DOCX report covering assumptions and validation ✔ STL vs. STEP comparison screenshots Best regards, Dr. Imran Khan PhD – Mechanical Engineering Reverse Engineering | SolidWorks | Fusion 360 | Surface Modeling | Manufacturing CAD
₹25,000 INR in 7 days
2.9
2.9

Hi, I’d be happy to reverse-engineer your surgical drill STL into a clean, watertight, manufacturing-ready STEP solid. I understand this requires more than simply converting the mesh—I’ll carefully reconstruct the geometry while preserving critical holes, mating faces, wall thicknesses, and other important details from the original STL. I can use FreeCAD for the CAD reconstruction and STEP export, with mesh-repair/cleanup tools where appropriate. FreeCAD supports professional CAD workflows and STEP import/export, making it a practical option for this type of reverse-engineering work. For especially complex organic surfaces, I can also use suitable surface/mesh techniques to achieve a cleaner result. Deliverables: * Complete drill body as one watertight solid * Manufacturing-ready STEP file * Geometry checked against the supplied STL * Dimension/feature validation * Brief PDF/DOCX report with assumptions, checks, and STL-vs-STEP screenshots I’ll review the STL carefully first and flag any areas where the mesh itself does not provide enough information to guarantee a dimension or tolerance. This is particularly important for a medical-device component where manufacturing accuracy matters. Please provide the original STL so I can assess its complexity and determine the best reconstruction approach.
₹12,500 INR in 2 days
2.4
2.4

Hi, I can reverse-engineer your STL mesh into a clean, watertight STEP solid suitable for CNC and manufacturing. I have experience with SolidWorks, Fusion 360, and detailed mesh-to-CAD conversion, including surface healing, hole cleanup, and preserving critical geometry. I can also provide the requested validation report with dimension checks and STL vs. STEP screenshots. Please share the STL file, and I can review it and get started. Thanks, Deepak
₹25,000 INR in 7 days
0.4
0.4

Hello! I would be glad to assist you with the reverse engineering of your surgical drill from the STL mesh into a precise, solid CAD model. I have extensive experience in high-precision 3D reverse engineering, surface reconstruction, and solid modeling using Siemens NX, SolidWorks, and Fusion 360. I will reconstruct the drill geometry accurately while strictly maintaining medical-grade tolerances for wall thicknesses, hole diameters, and mating interface
₹20,000 INR in 1 day
0.0
0.0

Hi, I can help you reverse-engineer the surgical drill body from your high-resolution STL and convert it into a clean, fully watertight STEP solid suitable for CNC machining and downstream manufacturing. I have experience in reverse engineering, 3D CAD modeling, surface modeling, plastic/product design, mold design, fixtures, and manufacturing-ready 2D/3D detailing. I can work with SolidWorks, Fusion 360, Siemens NX, or comparable CAD workflows. What I will deliver: Accurate reverse-engineered parametric 3D solid model Fully closed/healed geometry with no open surfaces or unwanted gaps Preservation of critical holes, mating faces, radii, and design details from the STL Properly checked wall thicknesses and critical dimensions Single watertight solid body STEP AP214/AP242 export STL vs. STEP dimensional/visual validation Brief PDF/DOCX report including assumptions, dimension checks, and validation screenshots I will first inspect the STL to understand its mesh quality, geometry complexity, and critical features before building the final CAD model. Where the STL does not provide enough information for a dimension-critical feature, I will flag it rather than make an arbitrary assumption. Please send me the original high-resolution STL, and I can review it and confirm the best reverse-engineering approach, expected accuracy, and workflow before proceeding.
₹27,000 INR in 7 days
0.0
0.0

Mechanical Designer | CAD Expert I help clients transform ideas into professional 3D models and manufacturing drawings. With extensive experience in product design, machine design, and industrial equipment, I deliver accurate, practical, and cost-effective CAD solutions ready for manufacturing. Services: 3D CAD Modeling Mechanical & Machine Design Product Development Manufacturing Drawings Assembly Design Sheet Metal Design Design Modification & Optimization Prototype and Production Support Let's work together to turn your ideas into reliable and manufacturable designs.
₹12,500 INR in 2 days
0.0
0.0

I have more than 10 years of experience in Siemens NX, especially in surface and solid modelling and injection mould design. I have practical experience in reverse engineering and manufacturing, so I understand the importance of accurate geometry and a proper manufacturing-ready model. I am offering a lower price and short delivery time because this will be my first project on Freelancer. I would like to start with a good project and build my profile through quality work. I can start immediately and deliver within 3 days.
₹12,500 INR in 1 day
0.0
0.0

Vadodara, India
Member since Apr 5, 2026
$250-750 USD
₹1500-12500 INR
$250-750 CAD
₹600-1500 INR
₹12500-37500 INR
$750-1500 USD
€30-250 EUR
$30-250 AUD
$14-30 NZD
₹100-400 INR / hour
₹1000-2500 INR
$30-250 USD
$30-250 AUD
$200-300 USD
$10-30 CAD
$10-30 USD
$10-30 USD
$30-250 USD
$15-25 USD / hour
₹1500-12500 INR