Kit

Kit by Parashell is a source-available CAD interchange SDK for translating geometry, feature trees, assemblies and more between proprietary formats.

Currently supported CAD software

• SOLIDWORKS
• Parashell
• FreeCAD

Planned (in-order)

1. Fusion360
2. CATIA
3. NX
4. Rhino
5. Creo
6. AutoCAD

Supported formats

CAD	suffixes
SOLIDWORKS	.SLDPRT, .SLDASM
FreeCAD	.FCStd
CATIA	.CATPart, .CATProduct

Kit reads and writes these formats natively, without requiring CAD software to be installed.

Architecture

Every conversion follows one route:

source file -> reader adapter -> (ORACLE) -> writer adapter -> destination file

Converting

convert(source, destination) reads the source, builds a CadDocument, and writes the destination format inferred from its suffix:

from kit import convert

result = convert("bracket.SLDPRT", "bracket.FCStd")

The returned ConversionResult carries the document, the write result, and the attestation describing which capabilities survived the round trip.

Default reversible swaps

By default a conversion is reversible.

Strict mode

Pass allow_carrier=False to refuse a carrier result. The write then fails with ApplicationUsabilityError unless the attestation reports the output as application usable and vendor loadable, with nothing dropped and no unmet requirements:

result = convert("bracket.SLDPRT", "bracket.FCStd", allow_carrier=False)

Distribution

Internal use only. Kit is source-available under the PolyForm Strict License 1.0.0 and is not published to any public package index.

License: Polyform Strict 1.0.0