UV unwrapping is more controllable, but you can also try box mapping which is automatic and good if you carry on extruding etc. In this thread there is a node setup for box mapping 2d textures that works well:
UV unwrapping is more controllable, but you can also try box mapping which is automatic and good if you carry on extruding etc. In this thread there is a node setup for box mapping 2d textures that works well: