Hitchhiker’s Guide to the Solar System - alpha
Step 1: Acquire Cargo container.
Step 2: 3D metal & plastic printer.
Step 3: Iterate 3D Printer Until cargo container turns into Building Printer.
Step 5: Build Gantry Printer around Building Printer.
Step 6: Convert building printer into origami transformer.
Step 7: Compress into inner crew structure.
Step 8: Use Gantry to build hull of fuselage inner crew structure.
Step 9: Assemble heavy-lift propulsion.
Step 10: Assemble finished solarship.
Step 11: Launch into orbit.
Step 12: Recycle space junk.
Step 13: Assemble auxiliary satellite systems including resource collection fleet, fabrication &, management.
Step 14: Seek optimal resource collection opportunity for fabrication of extraterrestial shipyard.
Step 16: Assemble hazardous & exotic fabrication lab.
Disclaimer: time taken to get from each step to each other step may vary greatly. Also, there would be a lot of FOIA & petitioning advised.