
REVERSE ENGINEERING
3D scanning technology used to reverse engineer physical objects, creating exact digital replicas for 3D printing.
Request Reverse EngineeringAbout REVERSE ENGINEERING
Looking to capture the exact specifications of a physical component or duplicate legacy parts that lack original CAD blueprints? We are your complete industrial solution. Call 3Dit for advanced reverse engineering services. We tap into precise metrology-grade 3D scanners to systematically map legacy hardware, converting raw point-cloud geometric data into clean, fully editable parametric solid models.
Legacy part degradation or obsolete manufacturing specifications can permanently bottleneck production pipelines. Our engineering team scans worn out, broken, or obsolete mechanical components with immense accuracy, reconstructing pristine digital twins primed for rapid replication, tool modification, or localized print adaptations.

“We scan your physical part and deliver a clean, editable CAD file, ready to print, modify, or manufacture with.”
What We Need From You
- 1Physical part or assembly to be scanned (shipped or delivered in person)
- 2Dimensions of the part to confirm scanner selection (hand-held vs structured-light)
- 3Known critical dimensions or tolerances for post-scan verification
- 4Intended output use: direct print, modification, or engineering drawing
- 5Preferred output file format (STEP, IGES, STL, or mesh)
- 6Operating conditions: material, temperature range, loads (if redesign is needed)
What You Receive
- Cleaned polygon mesh (STL / OBJ) of the scanned object
- Parametric solid CAD model (STEP / IGES) reconstructed from the scan
- Engineering drawing (PDF) with key dimensions annotated (on request)
- Dimensional inspection report comparing scan to original critical dimensions (on request)
- Print-ready file if direct replication is required
Accepted File Formats
Technologies & Capabilities
- Structured-light 3D scanning for parts up to ~1 m in any axis
- Accuracy: +/-0.05 mm for small precision parts; +/-0.2 mm for larger assemblies
- Mesh cleaning and hole-filling in dedicated software
- Parametric CAD reconstruction from mesh (solid modelling)
- Direct-to-print STL generation from scan data
- Large-object scanning (vehicles, large machinery) via mobile laser scanner partners
- CT (Computed Tomography) scanning for internal geometry and hidden features
- Formal GD&T inspection reports to ISO 10360 standards
Accuracy & Production Limits
How It Works & Lead Times
Part Submission
Deliver or ship the physical part to our facility. We confirm receipt and condition on arrival.
Pre-Scan Assessment
We assess surface finish, size, and complexity, then confirm scope, format requirements, and timeline.
Scanning
Structured-light scan is captured from multiple angles. Reflective surfaces are coated temporarily.
Mesh Processing
Raw scan data is cleaned, aligned, and converted to a watertight polygon mesh.
CAD Reconstruction
Parametric solid model is built over the mesh where required. Quality is verified against key reference dimensions.
Delivery & Part Return
Files are delivered digitally. The original part is returned or held for print verification.
Lead-Time Factors
A simple bracket or component can be scanned and modelled in 1-3 days. A complex multi-surface assembly may take 5-10 days. CT scanning (partner) adds 3-7 days depending on facility scheduling.
Relevant Applications
Real Project Examples

Obsolete Industrial Pump Impeller
A petrochemical facility had a failed impeller with no original drawings. We scanned the worn part, reconstructed a clean STEP model, and printed a functional PA-CF replacement within 6 days, avoiding a 12-week international procurement lead time.

Heritage Architectural Moulding
A restoration contractor needed to replicate a damaged ornamental cornice bracket. We scanned the surviving original, produced a mirrored CAD model, and delivered a set of resin-printed masters ready for casting.
Ready to start your reverse engineering project?
Frequently Asked Questions
Yes, physical parts must be with us for scanning. We accept couriered shipments and can return the part after scanning. For very large or fixed equipment, we can discuss on-site scanning options.
Our structured-light scanners achieve +/-0.05 mm on small precision parts. The reconstructed CAD model inherits this accuracy for most features. Gauge-critical surfaces (bearing bores, sealing faces) should be post-machined if tolerance below +/-0.05 mm is required.
Yes. We apply a temporary developer spray to transparent or highly reflective surfaces before scanning. The coating is removed after capture with no damage to the part.
We can deliver a cleaned mesh (STL/OBJ) without full CAD reconstruction. This is a quicker and more cost-effective option when the output is used directly for 3D printing.
External optical scanning cannot capture enclosed internal geometry. For internal features, CT scanning through our partner network is required. Please mention internal features at the quoting stage.
