Text shaped metal plates for signs and labels. Letters, numbers and symbols. Iron, copper, large and small variants.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Your mod is causing this bug, ideas? https://forums.factorio.com/viewtopic.php?f=7&t=45996&p=264325#p264325
Backup screenshot : http://i.imgur.com/VjwQ0ko.jpg
https://github.com/earendelentertainment/factorio-textplates/issues/2
This has been fixed.