Projection Switcher can

- toggle between UV Projection and Blended Box Mapping  = you can easily use your existing PBR materials with LIVE boolean modifiers! At the end of the concepting stage, you can easily switch back your materials to UV Projection mode!

- set texture scaling interactively in the viewport!

- have physical scale system: you can scale your objects while the frequency of your details from your texture maps stays the same!

Please check the video demo!

Install the usual way: Preferences/addons/install...