Hi, I'm Carter and am 10yrs old and I designed this small retractable sword by myself in onshape 3D and published here for my friends to print! This is the first model I have published. I have designed many things in Tinkercad and have now moved on to onshape 3D! I have 2 A1 mini's and my dad has an A1 combo and I am just learning to design and print things on my own.