Quilt · PAT quilting file
PAT File
PAT quilting file — a longarm stitch-path format.
PAT is a computerised-quilting pattern format storing the ordered stitch path for a longarm machine. It represents a continuous quilting line, not a filled image, and is one of the interchange formats in the quilting ecosystem. It is read by common longarm software.
How PatternAI writes a PAT file
PatternAI’s quilt technique writes the PAT as a continuous, regulated stitch path from the approved design and validates it against the format — so the longarm reproduces the quilting pattern faithfully.
Machines that read PAT
- Computerised longarm systems
Native file vs auto-converter
A converter traces a picture into a PAT; the result usually fights the machine — poor registration, wrong density or an outline that won’t run. PatternAI’s quilt technique instead writes the PAT natively from a design built on a real grammar, and validates it against the format before it ships — so the file is one your machine can actually run.
Frequently asked questions
- Is PAT a continuous quilting path?
- Yes — it stores an ordered, continuous stitch path.
- Is it faithful to the design?
- Yes — generated from the approved design and validated against the format.
- Can I get other quilt formats?
- Yes — the same design writes HQF, QLI, IQP and more.
Turn a design into a real PAT file
PatternAI turns a prompt, your artwork, or a live trend into a production-ready design and writes the exact PAT your machine runs — verified before it ships.