I had not touched TinkerCad since my freshman year, which I only dived really shallow into the program. So the tutorials were a real refresher.
Here is a small tank I made using the 3-D design side of things on Tinker: Tank Design
And here is the mushroom I made in codeblocks: Mushroom Design
Here I recreated a 3-D model of the Christopher Nolan's Batman insignia in Fusion 360.