How to get printable files from a 3D model in real size?

Question

3D

Hello. There are STL models (they are all flat, i.e. without reliefs) and how can you get the coveted PDF file for printing in real size (i.e., like on a model)? Need to print for cutting plywood.
An example of a model is attached in the screenshot.

An example of a model

Answer 1

As above and suggest:
For example, do it in OpenSCAD , using the " Projection " operation and export to DXF.