Most CAD designs or models can also be exported as plain images (like JPEG or PNG), mostly for previewing purposes. This can usually be with some kind of image export function that should be available in plenty of CAD programs.
Convert ISO-10303 STEP product data to JPEG bitmap image format.
We found 4 software records in the database related to .stp to .jpg file format conversion.
Microsoft Windows software - convert stp to jpg on Windows
A widely-used 3D animation application from Autodesk
Convert from stp file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned stp to jpg. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A 3D modelling application
A 3D CAD translation softwate
A 3D product data optimalization software