- How the 7 Domains Fit Together
- Domain 1: Sketching & Part Modeling
- Domain 2: Assemblies, Mates & Configurations
- Domain 3: Weldments & Structural Members
- Domain 4: Sheet Metal & Imported Geometry
- Domain 5: Surfacing & Direct Editing
- Domain 6: Curves, Blocks & Multibody Tools
- Domain 7: Bills of Materials & Cut Lists
- Exam Format, Timing & Scoring Mechanics
- Scheduling Domain Review Around a 4-Hour Exam
- FAQ
- The CSWE exam covers 18 possible hands-on challenge areas grouped into 7 content domains.
- Prerequisites require passing CSWP plus at least four of the five CSWP Advanced topic exams.
- Passing requires an 80% minimum score within the 4-hour, online, hands-on TesterPRO format.
- Domain 3 (Weldments) and Domain 5 (Surfacing) trip up more candidates than basic part modeling.
How the 7 Domains Fit Together
The Certified SOLIDWORKS Expert - Mechanical Design (CSWE) exam is not one broad test - it's a set of 18 possible hands-on challenge areas that Dassault Systemes SOLIDWORKS groups into 7 content domains. Each domain reflects a category of real design work: everything from basic feature-based modeling to weldments, sheet metal, surfacing, and bill-of-materials management. Understanding these domains before you sit for the exam is the single most useful thing you can do to plan your review, because the exam is delivered live through the TesterPRO Client and there's no partial credit for "almost" finishing a modeling task.
If you haven't already reviewed the prerequisite structure, it's worth reading CSWE Requirements 2026: Eligibility, Prerequisites & How to Qualify first, since you cannot register for CSWE without CSWP plus at least four of the five CSWP Advanced topic exams (Sheet Metal, Weldments, Surfacing, Mold Tools, Drawing Tools). Those Advanced exams map almost directly onto the domains below, which is why the domain structure feels familiar to anyone who has already earned those credentials.
Domain 1: Sketching & Part Modeling
Sketching & Part Modeling
This domain forms the foundation the rest of the exam builds on. Candidates need to move fast and accurately through sketch relations, dimensioning schemes, and core feature tools without hesitation.
- Sketch relations, equations, and driven vs. driving dimensions
- Extrude, revolve, sweep, and loft combined in a single part
- Feature order and rebuild errors caused by parent-child dependencies
- Reading a 2D drawing or isometric reference and reproducing exact geometry
Because this domain is foundational, it also tends to be the one people underestimate. Expert-level questions often combine several basic tools in an unfamiliar sequence, so speed alone won't save you - you need fluency with feature order and error recovery under time pressure.
Domain 2: Assemblies, Mates & Configurations
Assemblies, Mates & Configurations
This domain tests whether you can build and troubleshoot multi-component assemblies the way a working mechanical designer would - not just insert parts, but control motion and variation.
- Standard, advanced, and mechanical mates (especially cam, gear, and limit mates)
- Configuring parts and assemblies with design tables or manual configurations
- Diagnosing over-defined or conflicting mates quickly
- Sub-assembly flexibility and component patterning
Candidates who passed CSWP Advanced without heavy assembly work sometimes find this domain harder than expected because expert-level tasks assume comfort with mate troubleshooting under time constraints, not just mate creation.
Domain 3: Weldments & Structural Members
Weldments & Structural Members
Directly tied to the CSWP Advanced Weldments exam, this domain evaluates structural design skills used in frames, brackets, and fabricated assemblies.
- Structural member profiles, corner treatments, and trim/extend
- Gussets, end caps, and weld beads applied correctly
- Editing a weldment cut list and syncing it with the model
- Converting a solid body into a weldment structure
Domain 4: Sheet Metal & Imported Geometry
Sheet Metal & Imported Geometry
This domain blends native sheet metal tool mastery with the practical skill of converting imported, non-parametric geometry into editable sheet metal features - a task many designers encounter with vendor files.
- Base flange, edge flange, and sheet metal gusset workflows
- Bend tables, K-factors, and flat pattern accuracy
- Converting imported solid or surface geometry to sheet metal
- Forming tools and their placement on flat patterns
Working with imported geometry is arguably the most "real world" skill tested anywhere in the exam, since it mirrors how designers actually receive supplier or customer files that need to become native, editable SOLIDWORKS parts.
Domain 5: Surfacing & Direct Editing
Surfacing & Direct Editing
Surfacing is consistently one of the domains candidates find least intuitive, because it requires a different mental model than solid feature-based design. Direct editing adds another layer: modifying geometry without a full parametric history.
- Boundary, filled, and lofted surfaces used to patch or repair geometry
- Trim surface, knit surface, and thicken workflows
- Move Face, Delete Face, and other direct-edit tools on imported or dumb solids
- Combining surface and solid modeling in one part
Key Takeaway
If you passed CSWP Advanced Surfacing some time ago, don't assume it will come back automatically - this domain benefits from a dedicated refresh session closer to your exam date than any other domain.
Domain 6: Curves, Blocks & Multibody Tools
Curves, Blocks & Multibody Tools
This domain covers utility tools that don't get a dedicated CSWP Advanced exam but show up often in expert-level design work - 3D curves, sketch blocks, and multibody part strategies.
- Projected curves, composite curves, and curve-driven patterns
- Sketch blocks for kinematic or layout sketches
- Multibody part techniques: combine, cavity, and body-move features
- Splitting a multibody part into separate components
Because these tools appear less frequently in day-to-day CSWP-level work, this domain rewards candidates who deliberately practice it rather than relying on incidental exposure.
Domain 7: Bills of Materials & Cut Lists
Bills of Materials & Cut Lists
The final domain ties modeling work back to documentation and manufacturing output - a skill set hiring managers value as much as raw modeling speed.
- BOM configurations, custom properties, and equation-driven fields
- Weldment cut lists and keeping them synced after model edits
- Indented vs. parts-only BOM structures
- Linking BOM data to drawing views and configurations
Exam Format, Timing & Scoring Mechanics
All 7 domains are assessed within a single 4-hour session delivered through the TesterPRO Client alongside SOLIDWORKS itself. TesterPRO is PC-only, so plan your testing environment accordingly. The exam is hands-on rather than multiple-choice: you build, edit, and troubleshoot real models under time pressure, and your final files are graded against expected results.
The minimum passing grade is 80%, and there's no partial-credit curve to rely on - for a deeper breakdown of exactly how that threshold is calculated, see CSWE Passing Score 2026: Exactly What You Need to Pass. Registration and fee mechanics are straightforward but worth knowing in advance: the North American price is $149 for one attempt, unused exam credits do not expire, and some candidates get voucher access through participating schools or subscription benefits. A full pricing breakdown, including how credits and vouchers interact, is covered in CSWE Certification Cost 2026: Complete Pricing Breakdown.
| Exam Attribute | Detail |
|---|---|
| Delivery | Online, hands-on, via TesterPRO Client + SOLIDWORKS (PC-only) |
| Duration | 4 hours |
| Passing Score | 80% minimum |
| Content Structure | 18 possible hands-on challenge areas across 7 domains |
| Price (North America) | $149 per attempt; credits don't expire |
| Retake Policy | 90-day wait, new exam credit required, no retake limit |
If you fail, you'll need a fresh exam credit and a 90-day wait before retesting, so it pays to walk in prepared the first time. For a broader sense of what makes this exam challenging relative to other SOLIDWORKS credentials, read How Hard Is the CSWE Exam? Complete Difficulty Guide 2026, and if you want data-informed context on outcomes, check CSWE Pass Rate 2026: What the Data Shows.
Scheduling Domain Review Around a 4-Hour Exam
Because the exam is one continuous 4-hour session covering all 7 domains, your prep schedule should mirror that structure rather than treating each domain as an isolated unit. A practical approach is to allocate review blocks by domain difficulty rather than by calendar week alone - spend more repetitions on Weldments, Surfacing, and Sheet Metal (Domains 3, 4, and 5) since these draw most directly from CSWP Advanced material that may be older knowledge, and spend comparatively less time on Sketching & Part Modeling (Domain 1) if you use those tools daily.
Foundation Domains
- Refresh Domain 1 (Sketching & Part Modeling) and Domain 2 (Assemblies, Mates & Configurations)
- Rebuild speed and mate-troubleshooting reflexes under a timer
High-Difficulty Domains
- Deep review of Domain 3 (Weldments), Domain 4 (Sheet Metal & Imported Geometry), and Domain 5 (Surfacing & Direct Editing)
- Practice imported-geometry conversion and corner treatments specifically
Utility & Documentation Domains
- Domain 6 (Curves, Blocks & Multibody) and Domain 7 (BOMs & Cut Lists)
- Run full-length timed practice covering all 7 domains together
This kind of tiered scheduling is a small piece of a much larger prep plan - for the complete step-by-step approach, including how to structure practice exams and manage exam-day logistics, see CSWE Study Guide 2026: How to Pass on Your First Attempt. You can also run domain-tagged practice questions on our CSWE practice test platform to see which of the 7 domains need more repetitions before you commit an exam credit.
If you're still deciding whether the time and $149 exam fee are worth it given your career goals, weigh the domain breadth against your current role using Is the CSWE Certification Worth It? Complete ROI Analysis 2026. And if you just need a fast-reference sheet the week before your test, bookmark CSWE Cheat Sheet 2026: One-Page Review of Must-Know Facts alongside a run-through on the practice exam site to simulate the real 4-hour format.
Frequently Asked Questions
SOLIDWORKS does not publish per-domain weighting, but the exam draws from 18 possible hands-on challenge areas across the 7 domains, so no single domain is guaranteed to dominate your specific exam session. Preparing all 7 thoroughly is the safest approach.
No. You need CSWP plus at least four of the five CSWP Advanced topic exams (Sheet Metal, Weldments, Surfacing, Mold Tools, Drawing Tools), so you can skip one Advanced topic and still qualify. See CSWE Requirements 2026 for the full breakdown.
Surfacing & Direct Editing (Domain 5) and Weldments & Structural Members (Domain 3) tend to require the most dedicated refresh time, since they use tools and workflows that many designers use less frequently than core part and assembly modeling.
The CSWE exam is scored as a whole against the 80% minimum passing grade, not domain-by-domain. A failing result requires a 90-day wait and a new exam credit before you can retake the full exam.
Yes. It's an online exam delivered through the TesterPRO Client alongside SOLIDWORKS, requiring a PC and internet connection. There's no in-person testing center requirement.