Plasticity 26.1.3 — macOS

Plasticity 26.1.3 for macOS keeps the same solid and surface modeling workflow that artists and designers have been using since the 2026.1 release. The current version carries over the PolySplines feature for Studio users, which allows conversion between polygon and NURBS geometry. It still uses the Parasolid and xNURBS kernels under the hood, and the direct editing approach — no history tree to manage — remains unchanged. Updates are manual downloads, not automatic. If you are already on 2026.1, this is a maintenance release rather than a feature update.

The app remains a CAD-style modeler for solids and surfaces, aimed at users who prefer direct manipulation over parametric history. The Studio tier adds PolySplines conversion and expanded CAD translation for production work. Interface languages include English, German, Spanish, Italian, Russian, Japanese, and both Simplified and Traditional Chinese.

Switch to millimeters for predictable industrial modeling

When you first open Plasticity 26.1.3, a few settings make the modeling environment more predictable. Head to the preferences panel and look for the unit system — it defaults to millimeters, which suits most industrial design work, but if you work in inches or architectural feet, switch that before you start your first sketch. The grid and snap settings are another early stop: you can set angular snap increments (15, 30, or 45 degrees are common) and adjust the grid spacing to match your typical part dimensions. The live dimensions feature updates geometry immediately when you type a new value, so turning on dimension display in the viewport saves you from checking a separate panel.

For users on Apple Silicon Macs, Plasticity runs natively — no Rosetta translation layer. This matters for large assemblies with many filleted edges or boolean operations, because the native ARM code uses the M-series memory bandwidth directly. The app does not use GPU acceleration for the viewport, so don't expect real-time shading on complex curved surfaces, but the modeling kernel itself benefits from the CPU and memory architecture.

One practical tip: because updates are manual downloads, checking the Help > About dialog now and then tells you whether you are still on 26.1.3 or have fallen behind. There is no in-app updater, so bookmark the download page.

PolySplines convert polygon meshes to NURBS surfaces

Plasticity 2026.1 brought two changes that affect daily modeling. First, PolySplines for Studio users let you take a polygon mesh — something you might have imported from a sculpting app or a scan — and convert it into a NURBS surface that you can then edit with the same fillet and blend tools you use on native geometry. This saves export-reimport cycles if you regularly bring organic shapes into a precision CAD environment.

Second, Export Hidden Line generates technical SVG drawings directly from your model. For anyone who produces assembly diagrams or patent drawings, this removes the intermediate step of exporting a DXF and cleaning it up in a vector editor. The output is a clean line drawing with hidden edges shown as dashed lines, ready for annotation or layout.

These features work on macOS 12 and later. Both are included in the current 26.1.3 package — you do not need a separate installer.

Combines direct editing with NURBS surfacing unlike other Mac apps

Plasticity shares territory with a few other 3D modeling applications on macOS, though none combine the same mix of direct editing and NURBS surfacing.

Rhinoceros 8 for macOS

Rhino is also NURBS-based and supports solid modeling, but it uses a history-based approach — every operation creates a step you can roll back. Plasticity, by contrast, is direct: you edit the final geometry, not a list of commands. Rhino has a larger ecosystem of plug-ins and a longer track record on Mac, but it demands more system resources and its Mac version still trails the Windows build in some features. Plasticity feels lighter for straightforward part modeling and assembly work.

Fusion 360 for personal use

Plasticity runs fully offline with no account required. Fusion 360's timeline-based editing suits design iteration, while Plasticity's direct editing suits finishing a shape without rebuilding the history. For local, single-user work, Plasticity avoids the cloud dependency.

MoI3D (Moment of Inspiration)

Moment of Inspiration focuses on subdivision surface modeling and is more common among artists than engineers. It does not use NURBS or Parasolid, so it cannot produce precision fillets or watertight boolean results in the same way. Plasticity targets users who need engineering-grade surface continuity — G2-continuous blends and exact dimensions — where MoI3D stays in the organic, non-parametric space.

Plasticity 26.1.3 crack offers industrial-grade geometry for artists who prefer offline modeling.

• macOS 10.14 or later
• Apple Silicon processor