I am designing stuff in Fusion 360 and like to share my designs with others. So far I have always given out the Source in addition to the STL file. I have generally put it out in STEP format since that is what I saw Ultimaker release the UM2 source files as step format, so I figured some thought went into that.
In any case, I would like to know if its best to be giving these out in STEP or IGES format since I can export to either. Want to give the best fidelity into the orgiginal design while also using the more "Open source" format.