There is a chance that this feature will be made publicly available, once the development of Baldi's Basics Plus is finished.
↑"Baldi's Basics Plus version 0.3.3 will be releasing some time soon! A new level editing and loading system has been created in order to replace the old system used for premade levels." - Basically, Games!. March 31, 2021. Twitter
↑"Q: "Will level editor mode be added in the future?" / A: "I don't currently plan on adding a level editor, although I'd love to make that available. I'll consider it again once the game is finished." - Question and Answers
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