Comment by WillAdams

As a person who wonders where the paper X-15 model he had vanished to after he joined the service, this resonates with me.

While there are a lot of models available for purchase/download, the classic tool for this sort of thing is

https://pepakura.tamasoft.co.jp/pepakura_designer/

as noted by coldfoundry --- that said, an unlikely tool which has this is PythonSCAD:

https://pythonscad.org/

which allows one to use OpenSCAD or Python to create a 3D model and export it in a number of formats, including "Foldable PS" which automates this process.