Everytime I import a fbx tree mesh for ue4 the leafs appears as square boxes, does anyone know how to fix it?

Hi Neil - Easy fix here. Connect the Alpha node of the Texture Sample (bottom most output pin) to the Opacity Mask input on the Material Inputs and set the Material to Masked instead of Opaque. Save and everything should work fine now. I really enjoy using the SpeedTree modeling software and onc…