For tooth libraries, you can sometimes load a custom model, right-click the library tooth, and select "Save to file" to export it as an STL.
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.
into a current scene or a new scene in Exocad. Sdfa File To Stl
Method 1: Export Directly from the Native Software (Recommended)
If you do not have access to Exocad, you can use a generic 3D model online converter. These services are designed to work with a wide range of formats, and while they may not have a direct "SDFA to STL" option, they can be very effective. For tooth libraries, you can sometimes load a
the SDFA file as a neutral format like STEP (.stp), IGES (.igs), or OBJ (.obj).
If you own a license for the specific engineering suite that created the SDFA (often SpaceClaim or associated analysis modules), the conversion is a luxurious experience. You get high-resolution mesh export, perfect tolerance settings, and a clean STL. If you are working with older software (pre-2023),
This third-party software from NCH Software claims to support conversion. Add the file to the program. Set the Output Format to .stl . Click Convert . Creating a "Solid" STL for Paper/3D Printing
In the , you may be able to import SDFA library parts to create new models that can eventually be exported as STL for 3D printing. Why Is Conversion Difficult?
If you are looking for a simple "Save As > STL" button, prepare for disappointment.