New Controls Suggestion

[Magicraptor5114]

Control + Click: select multiple objects
Ctrl + D: Duplicate selected objects
Ctrl + C/V: Copy and paste
Del: Delete the selected objects
Ctrl + Z, Ctrl + Y/Ctrl + Shift + Z to Undo and redo edits
Make spawning in electric engines, heat engines and bearings easer
In game movement, rotation and scale arrows to make editing a save easer
Take objects and turn them into presets
Presets which you can spawn in
Make it easer to select long or thin objects