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Key Facts: CSWPA-SU Exam

~19

Hands-On Tasks

SOLIDWORKS CSWPA-SU sources

90 min

Exam Duration

SOLIDWORKS CSWPA-SU sources

75%

Passing Score

SOLIDWORKS CSWPA-SU sources

~$19.95

Exam Credit

SOLIDWORKS CSWPA-SU sources

14 days

Retake Wait

SOLIDWORKS Certification Program

2017+

Minimum SOLIDWORKS Version

SOLIDWORKS CSWPA-SU sources

CSWPA-SU is a hands-on SOLIDWORKS advanced surfacing exam of about 19 tasks delivered in roughly 90 minutes through the Tangix TesterPRO client. It requires a 75% score, costs about $19.95 per attempt, and enforces a 14-day retake wait. Tested skills span surface creation, editing and repair, curve tools, and continuity, with surface creation features carrying the heaviest emphasis.

Sample CSWPA-SU Practice Questions

Try these sample questions to test your CSWPA-SU exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which SOLIDWORKS surface feature creates a surface bounded by sketches, edges, or curves in two perpendicular directions and is preferred when you need high-quality continuity control in both directions?
A.Boundary Surface
B.Planar Surface
C.Extruded Surface
D.Offset Surface
Explanation: Boundary Surface uses curves or edges in Direction 1 and Direction 2 and offers per-edge tangency/curvature control, producing the highest-quality blends among the basic surface tools. This is why it is favored for complex consumer-product shapes on the CSWPA-SU exam.
2On the CSWPA-SU exam you must combine several adjacent surface bodies into a single continuous body before thickening. Which command joins coincident-edge surface bodies into one body?
A.Trim Surface
B.Knit Surface
C.Move Face
D.Untrim Surface
Explanation: Knit Surface stitches two or more adjacent surfaces that share coincident edges into a single surface body, and if the result is fully closed it can be made into a solid. It is a required step before Thicken when several patches must act as one body.
3A knit set of surfaces forms a fully closed, watertight volume. What must be true for SOLIDWORKS to convert that knit surface body directly into a solid body using the Knit Surface option?
A.All surfaces must be offset surfaces
B.The surfaces must all be planar
C.The enclosed volume must be completely closed with no gaps
D.The surfaces must share a single sketch
Explanation: When 'Try to form solid' is enabled, Knit Surface produces a solid only if the knitted surfaces enclose a completely sealed volume with no gaps. Any open edge prevents solidification, so candidates must inspect open edges first.
4Which feature thickens a surface body or a knit set of surfaces into a solid by adding material to one or both sides of the surface?
A.Planar Surface
B.Ruled Surface
C.Offset Surface
D.Thicken
Explanation: Thicken adds a specified wall thickness to a surface body, generating a solid with the surface as one of its faces. You can thicken to side 1, side 2, or both sides, which makes it a primary surface-to-solid tool on the exam.
5You must create a smooth patch that closes an open region bounded by several existing surface edges, with the option to constrain the patch to be tangent or curvature-continuous to the surrounding faces. Which feature is the best fit?
A.Filled Surface
B.Extruded Surface
C.Revolved Surface
D.Offset Surface
Explanation: Filled Surface constructs a patch within a closed boundary of edges and/or curves and lets you set Contact, Tangent, or Curvature continuity per boundary edge. It is the standard tool for closing gaps and patching faces on the CSWPA-SU exam.
6When using Trim Surface with the 'Mutual' trim option, what role do the selected surfaces play?
A.One surface is the tool and the others are kept
B.The surfaces trim each other at their intersection
C.Only sketches can be used as trim tools
D.The surfaces are knitted before trimming
Explanation: In Mutual trim mode, two or more intersecting surfaces act as trimming tools for one another, and you choose which pieces to keep or remove along the shared intersection. Standard trim mode instead uses one explicit tool to cut a separate target.
7An imported surface body has a face that was trimmed away, leaving a hole. You want to regenerate the missing portion by extending the surrounding surface back to its original mathematical extent. Which command does this?
A.Move Face
B.Replace Face
C.Untrim Surface
D.Delete Face
Explanation: Untrim Surface removes trim boundaries and extends the underlying surface back to its natural (untrimmed) extent, optionally filling internal loops. It is the direct way to restore geometry lost to trimming on imported or repaired bodies.
8Which Delete Face option removes the selected faces and then attempts to extend and trim the adjacent faces to close the resulting opening, effectively healing the body?
A.Delete and Keep
B.Delete
C.Delete and Patch
D.Delete and Fill
Explanation: Delete and Fill removes the chosen faces and creates a single face that patches the gap, with an option to keep the result tangent to neighbors. It is heavily used to clean up imported geometry on the surfacing exam.
9To create a surface that transitions smoothly between two or more profile sketches, optionally using guide curves and a centerline, which feature should you use?
A.Lofted Surface
B.Offset Surface
C.Ruled Surface
D.Planar Surface
Explanation: Lofted Surface blends between two or more profiles and can be shaped with guide curves, a centerline, and start/end tangency to neighboring faces. It is the classic multi-profile transition tool tested on CSWPA-SU.
10In a Lofted or Boundary Surface, what is the primary purpose of a guide curve?
A.To set the wall thickness of the surface
B.To control the path and shape of the surface between profiles
C.To convert the surface into a solid
D.To define the trim boundary
Explanation: Guide curves steer the contour of a loft or boundary surface between its profiles, controlling how cross-sections evolve along the feature. They are essential for matching styling intent and forcing the surface through specific points.

About the CSWPA-SU Exam

The Certified SOLIDWORKS Professional Advanced - Surfacing (CSWPA-SU) exam validates the ability to build complex surface models and to troubleshoot and repair broken or imported surface bodies using advanced surfacing tools. SOLIDWORKS lists tested skills including boundary, loft, swept, filled, planar, ruled, and offset surfaces along with knit, trim, untrim, extend, move face, fillet, thicken, and curve creation.

Assessment

About 19 hands-on modeling and surface-repair tasks delivered through the Tangix TesterPRO client, with measured numeric and selection answers entered into the exam software

Time Limit

90 minutes

Passing Score

75%

Exam Fee

About $19.95 USD per exam credit; confirm current pricing with SOLIDWORKS or a reseller. (Dassault Systemes SOLIDWORKS Certification Program)

CSWPA-SU Exam Content Outline

Heaviest

Surface Creation Features

Extruded, revolved, swept, lofted, boundary, filled, planar, ruled, and offset surfaces, plus guided curves, design intent, and choosing the right feature for a given complex shape.

Major

Surface Editing & Repair

Trim, untrim, knit, extend, move face, delete and patch faces, replace face, and diagnosing and fixing broken or imported surface bodies and gaps.

Major

Curve & Sketch Tools

Splines and spline handles, 3D sketches, projected curves, composite curves, curve through XYZ points, split lines, and intersection curves that drive surfacing.

Supporting

Solidification & Continuity

Thicken, surface fillets, converting knit surface bodies to solids, mass and measurement entry, and achieving contact, tangent, and curvature continuity between surfaces.

How to Pass the CSWPA-SU Exam

What You Need to Know

  • Passing score: 75%
  • Assessment: About 19 hands-on modeling and surface-repair tasks delivered through the Tangix TesterPRO client, with measured numeric and selection answers entered into the exam software
  • Time limit: 90 minutes
  • Exam fee: About $19.95 USD per exam credit; confirm current pricing with SOLIDWORKS or a reseller.

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

CSWPA-SU Study Tips from Top Performers

1Start with the official CSWPA-SU skills list and treat each surface feature as a study checklist item.
2Give extra attention to boundary and filled surfaces, since they drive most complex-shape and patch tasks.
3Practice repairing imported and broken surface bodies using delete face, knit, trim, and untrim until the workflow is automatic.
4For continuity questions, focus on the difference between contact, tangent, and curvature conditions and when each is required.
5Use the official sample exam under a 90-minute timer to build speed at modeling, measuring, and entering answers.

Frequently Asked Questions

How many questions are on the CSWPA-SU exam?

The CSWPA-SU is a hands-on practical exam with roughly 19 modeling tasks rather than a long multiple-choice test. Candidates build and repair surface models and enter measured answers into the exam software.

What passing score does the CSWPA-SU require?

Reported sources list a minimum passing grade of 75%. Because the exam is task-based, partial credit depends on completing each modeling and measurement step correctly.

How long is the CSWPA-SU surfacing exam?

The exam is reported to run about 90 minutes. Time management matters because each surfacing task must be modeled correctly before measuring and entering the answer.

What are the prerequisites for CSWPA-SU?

SOLIDWORKS recommends holding the CSWP credential first and completing the Advanced Surface Modeling course. You must use SOLIDWORKS 2017 or a later release to take the exam.

Can I retake the CSWPA-SU if I fail?

Yes. SOLIDWORKS enforces a minimum 14-day waiting period between attempts, and a separate exam credit must be purchased for each attempt.

What surfacing tools does the exam emphasize?

The skills list spans boundary, loft, swept, filled, planar, ruled, and offset surfaces plus knit, trim, untrim, extend, move face, fillet, thicken, and curve creation tools used to build and repair surface bodies.