From TerraFirmaCraft Plus Wiki
Planks are crafted with 4 lumber of the same wood type.
Lumber can also be recovered from their block form using a saw.
|Fence Gate||Armor Stand|
If true then the vanilla Minecraft recipes for creating the following items are enabled: wooden tools and weapons, sticks, planks, fence gates, wood stairs, and wood slabs.
|v2 Build 47||Added plank items. Craft 4 in a square to make plank blocks.|
|Chest Recipe changed to use the new plank items. This is the equivalent of 2 vanilla planks to make a chest instead of 8.|
|v2 Build 47b||Added recipes for doors, trapdoors, and signs using the new plank items.|
|78.0||Plank blocks can be crafted back into plank items. 3 single planks by hand, or 4 if you use a saw. Removed wooden button recipe due to conflict.|
|Added Acacia Planks.|
|78.7||Temporarily disabled the armor stand recipe.|
|78.17||Removed splitting of plank blocks into plank items by hand, must use a saw.|
|79.7||Added back in the Armor Stand Recipe.|