The STEMFIE 3D-printable construction set has been in the prototyping stage for almost three years; using several different CAD programs for its conceptualisation and design tests.

As the purpose of this project is to provide a free educational STEM toy – which anyone can download and produce on a 3D-printer – it is only natural to evolve to open-sourced design tools.  

From today and onwards, the development of STEMFIE will be made using the FreeCAD 3D-modelling software! Expect future downloadable source files and feel free to adapt them and make your unique parts, compatible with the STEMFIE construction set standard. 

FreeCAD is available for Linux, Mac OS and Windows. You can download it at and talk with FreeCAD users