How Betti has grown.

Pictures and drawings

Betti draws pictures of meshes, volume meshes and CAD models as PNG, PDF, EPS or SVG, coloured by part, region, quality or a file's values. In vector formats the edges stay sharp at any zoom. It also makes engineering drawing sheets with front, top and side views, hidden lines, overall dimensions and a title block.

Conversion between formats is lossless by default. Each written file is read back and compared, and anything that would be lost is reported first.

RenderDrawingConvert

Scripts and coding agents

Betti's commands can now be written into scripts, so one script can loop over parts, try sizes until a result is close enough, and keep meshes in memory between steps. Coding agents such as Claude Code, Codex and Copilot can call every command as a tool.

Repair and booleans keep touching solids apart in the written file, on every model of the test sets. Remeshing no longer turns faces over on parts placed far from the origin.

ScriptingAgentsExamples

Healing real-world CAD

CAD healing repairs far more real-world STEP models. It sews across the parts of assemblies and rebuilds edges that have drifted off their surfaces. On a large automotive model it leaves about a fifth as many gaps as before.

CAD

All-hexahedral meshes Preview

Closed surfaces and CAD parts can be filled with hexahedra only, keeping their sharp edges and corners. On a public benchmark of 202 models, 158 meshed with every cell valid. Large linear systems also solve several times faster.

Volume

Volume meshes Preview

The volume module arrived, for simulation:

• tetrahedra for finite elements, linear or curved, with layers of prisms on walls;
• polyhedra for finite volumes;
• output as Gmsh, VTK, Abaqus, Nastran and OpenFOAM.

Design for manufacture moved into a module of its own, with an estimate of how a part fills as it is injection moulded.

VolumeDesign for manufacture

More formats and more processes

Betti now reads and writes JT and Nastran files, and reads Parasolid files. New checks on CAD parts cover:

• wall thickness;
• draft and undercuts;
• where a cutter can reach.

Design for manufacture extended to sheet metal, moulding, casting and four kinds of 3D printing.

CADDesign for manufacture

Features and design for manufacture

IGES files are now read. Betti recognises the holes, bosses, fillets and chamfers of a part, each with its sizes. It also gained the first design for manufacture checks, for machining.

Offsets, healing and quads on CAD

Closed solids can be offset by an exact distance. STEP models can be healed CAD to CAD; on the test corpus, free edges fell by 95%. CAD faces can now be meshed in quads.

Leaner booleans

Booleans and plane cuts became more robust and use much less memory.

Shells, beams and shapes

Thin-walled solids can be reduced to mid-surfaces with their thickness, for shell elements. Slender ones can be reduced to centrelines with their section properties, for beams. This release also added:

• convex hulls and convex decomposition;
• minimum bounding boxes;
• fitting of planes, spheres, cylinders, cones and tori;
• slicing into layers for printing.

ShapeAdditive

Remeshing that never crosses itself

Every change made while remeshing is now checked, so the surface never crosses itself. This release also added:

• consistent outward orientation;
• extraction of the outer shell;
• element quality reports;
• build direction analysis for printing;
• particles for SPH and DEM.

Particles

Quads and denoising

Surfaces can be remeshed into quads, or into quads with a few triangles. Noisy scans can be smoothed while their sharp edges are kept.

Reconstruction and wrapping

Surfaces can be rebuilt from scans and point clouds. Any input, however broken, can be wrapped in a clean, closed surface that keeps its sharp edges. Two surfaces can be compared by the distance between them.

Fix