Right-click on the attachment and select Save to File or Export .
Proprietary formats sometimes change scale units (e.g., from millimeters to inches) during conversion. Open the STL in your slicer and double-check that the dimensions match the real-world physical object.
Converting these files is most common when moving parts between different software ecosystems, such as transferring an Exocad library into 3Shape Sdfa File To Stl
If FreeCAD cannot read the SDFA, use the "Part → Convert to Solid" function before exporting.
Import the final STL into a slicer like Bambu Studio or ChituBox to set your print orientation and generate the G-code for your printer. How to convert an SDFA file to STL? Right-click on the attachment and select Save to
But what if you need that part for a physical experiment or a custom 3D-printed guide? Getting from SDFA to STL is like a digital jailbreak. Here is the lowdown on why these files exist and the clever workarounds professionals use to unlock them. What is an SDFA File? An SDFA file is a Signed Digital File
If you are adjusting margins or occlusion before exporting, ensure you are adjusting the "facial," "lower boundary," and "morph points" in the control panel to ensure the final STL is accurate. Converting these files is most common when moving
If you regularly work with dental CAD files, consider investing in Exocad or establishing a relationship with a conversion service provider to streamline your workflow and avoid conversion headaches in the future.
Choose a destination folder and complete the export.
The cleanest way to get an STL file is to export it directly from the design software where the SDFA was created.
SDFA files are intended to be "construction element" files, such as attachments or scan flags. Because these parts are often patented by implant companies, Exocad maintains a closed system to ensure that technicians use authorized libraries. If you are working with older software (pre-2023), you may find the "Expert Mode" export significantly easier than in modern, more secure versions.