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    Curviloft

    SketchUp plugin to create smooth surfaces and 3D 'skins' by connecting contours. Includes: Loft by Spline, Loft along Path, Skinning. Useful for organic modeling, complex curved surfaces, product design.

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    ToolTrim verdict3.8/ 5Great

    Curviloft excels at organic curved surfaces in SketchUp; for heavy parametric modeling, Rhino or Fusion offer more.

    Curviloft, preview 1
    About

    In practice. What you can do with Curviloft.

    SketchUp plugin to create smooth surfaces and 3D 'skins' by connecting contours. Includes: Loft by Spline, Loft along Path, Skinning. Useful for organic modeling, complex curved surfaces, product design.

    Key strengths: Older versions completely free.; Very effective at creating smooth surfaces.; Native SketchUp interface, tight integration.; Visually very good results.; Free alternative to professional surfacing tools..

    Curviloft excels at organic curved surfaces in SketchUp; for heavy parametric modeling, Rhino or Fusion offer more.

    Practical uses

    • Create smooth and organic surfaces.
    • Model fuselages, car bodies, curved furniture.
    • Generate skins between profiles/contours.

    Features & use cases

    Plugin sketchup

    Pros and cons. What Curviloft does well, and what to expect.

    Pros

    • Older versions completely free.
    • Very effective at creating smooth surfaces.
    • Native SketchUp interface, tight integration.
    • Visually very good results.
    • Free alternative to professional surfacing tools.

    Cons

    • Recent versions paid (via Fredo6 Creator).
    • Requires LibFredo6 installed.
    • Not best for rigid parametric modeling.
    • Moderate learning curve.

    When it makes sense. Keep Curviloft, or challenge it?

    Keep if

    • You model complex curved surfaces in SketchUp.
    • You do product design or organic architecture.

    Challenge if

    • You use different 3D software (Rhino, Fusion, Blender).
    • You mostly do angular modeling (box modeling).

    Pricing. What does Curviloft cost ?

    Free

    $0

    No permanent free plan.

    Paid plan

    Paid plans available. See the official pricing source for details.

    Official pricingChecked on July 24, 2026

    Alternatives. What could replace Curviloft?

    Direct substitutes

    Our verdict. What to know about Curviloft.

    Why this verdict

    Great

    Curviloft is fairly easy to replace with an alternative, no free tier to test before paying, clearly documented use cases.

    Curviloft Summary

    Category
    design & prototyping tool.
    Price from
    Free.
    Best for
    professionals.
    Avoid if
    You use different 3D software (Rhino, Fusion, Blender); You mostly do angular modeling (box modeling).
    ToolTrim verdict
    Curviloft excels at organic curved surfaces in SketchUp; for heavy parametric modeling, Rhino or Fusion offer more.

    Frequently asked questions.

    What to know before choosing Curviloft.

    What is Curviloft used for?

    SketchUp plugin to create smooth surfaces and 3D 'skins' by connecting contours. Includes: Loft by Spline, Loft along Path, Skinning. Useful for organic modeling, complex curved surfaces, product design.

    How much does Curviloft cost?

    Curviloft costs $0 (free). Price verified on 2026-07-24.

    Is Curviloft suitable for beginners?

    Curviloft suits most professionals. See the "Who is it for" section for details.

    Is Curviloft worth the price?

    Curviloft excels at organic curved surfaces in SketchUp; for heavy parametric modeling, Rhino or Fusion offer more.

    What are the best alternatives to Curviloft?

    No direct alternative listed.

    Curviloft
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