If your a blender modeler using UE4 please help me with my question!

If your reading this and your using UE4 there’s a 99% you model, I’m a blender user but I dont know how to make a “object curve” and the "cross panel, examples in the image provided below. PLEASE TELL ME HOW TO DO IT, or link me a tutorial video. Thank you for your time!

BlenderGuru.com has the best tutorials for free that I’ve seen so far. Also, if you compose your question to Google, you will find lots of videos on Blender.