Scene Creator is a handy, simple to use editor tool, developed to simplify the process of creating new scenes. With scene creator you can select a template scene, define a directory to store your scenes and automatically add new scenes to the build if you want.
To make things even faster, Scene Creator can be opened by a simple keyboard shortcut. To get an overview of all included features, check the Technical Details section.
Technical details
Features
• Create new scenes faster and from anywhere with CTRL+ALT+N
• Use other scenes as templates
• Define an asset folder to save your scenes to
• Automatically add new scenes to scenes in build if you wish
• Automatically open a new scene if you wish
• Scene Creator remembers your preferences!
• Works out of the box and is super easy too use
• Full source code
Original_Link: https://assetstore.unity.com/packages/tools/utilities/scene-creator-179528