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Certified apps

SPI SheetMetal AUTODESK® Inventor®

SPI SheetMetal for Inventor

SPI SheetMetal for Inventor expands the sheet metal functionality of Inventor and offers a range of invaluable capabilities for sheet metal design and unfolding. The results are a shorter manufacturing cycle and significant cost savings.

The software provides a variety of tools for simplified sheet metal design. These include automatic corner reliefs, commands for sharp-edged models, numerous formulas for calculating shortening in the bending zones, optimal handling of multi-body parts, and more.

The SPI unfolding algorithm guarantees a manufacturing-ready flat pattern. It allows to accurately unfold also freeform surfaces, transitions, curved surfaces, and iParts. Every flat pattern is created in alignment with manufacturing-relevant parameters such as material and sheet thickness as well as on-site laser, punching and bending tools.

The flat pattern can be exported as a DXF, GEO, STEP, or WiCAM-XML file. In addition, specialized CAM interfaces are available for TRUMPF, Bystronic, WiCAM, and LVD.

Key features:

  • Editable material and tool management
  • A large library of standard components
  • Optimal handling of non-native data
  • Improved sheet metal design
  • Automatic manufacturability checks
  • Fabrication-ready flat pattern
  • Multiple export file formats
  • Easy transfer to CAM and CNC


  • Sheet metal design tools that significantly reduce errors and save as much as 80% of the design time
  • Fabrication-ready flat pattern that eliminates the need for reworking or manufacturing practice parts
  • Seamless connection of design and fabrication thanks to numerous output formats and manufacturing interfaces

App details

  • Integration

    In-window integration with Inventor. In addition, SPI SheetMetal for Inventor is able to open Inventor native data files with full associativity.

  • Compatibility

    Autodesk® Inventor® 2021, Autodesk® Inventor® 2020, Autodesk® Inventor® 2019, Autodesk® Inventor® 2018.

  • Target industries

    Industrial Machinery, Sheet Metal Work, Miscellaneous Fabricated Metal Products

  • Languages

    English, German, others on demand

  • Countries

    EMEA, Americas, Asia Pacific

About SPI

SPI has been developing CAD solutions for the sheet metal industry since 1980. As an official Autodesk® partner, SPI has almost two decades of experience in bringing additional sheet metal functionality to the Inventor software.

Customers worldwide use SPI SheetMetal Solutions to ensure a seamless process chain from the idea to the finished product.

Contact information

Kurt-Fischer-Straße 30a
22926 Ahrensburg

Phone: +49-4102-706-0
Contact: Christian Burdorf