Gigastructural Engineering & More , console commands generally follow standard vanilla syntax but require specific found in the mod's files . Use the tilde key to open the console and debug_tooltip to find internal IDs for objects in-game Essential Mod Events
Conclusion
Now go forth—bend gravity, weaponize stars, and build structures so large they require their own postal codes. And remember: just because you can spawn five Systemcrafts doesn’t mean your CPU will survive it.
Adding Specific Megastructures to Queue:
While instant_build speeds them up, you usually have to place them manually. However, if you are testing a specific build, you can use effect to add modifiers to your empire.