"Solid Edge 2D Drafting
Free 2D CAD Software
Whether you need to use 2D CAD software across your company or for a specific 2D design process, Solid Edge 2D Drafting provides production-proven 2D drafting software - for free."
Instead of Draftsight you can use Solid Edge Free2D:
https://www.plm.automation.siemens.com/plmapp/education/solid-edge/en_us/free-software/free-2d-cad
That is free professional 2D CAD plus free Viewer (Solid Edge, Parasolid, STEP, STL, JT, IGES, DWG, DXF).
For professional 3D cloud CAD my...