I recently learned how to use Blender and I made two lowpoly models. I'm not new to 3D and I have already uploaded a few models using the "Zipped .mtl and .obj" method. I saw that Sketchfab supports the .blend format so I thought I wouldn't have to use the method above. I even tried using the Sketchfab plugin for blender.
Whether I use the upload button in Blender or choose the file manually, my model shows up without any color. It's blank as if I hadn't any anything color to it at all. Why is this? I'm not coloring it by using the UV maps or the brush feature, I'm selecting the vertices and coloring it that way. No materials or anything.
Here are the models:
Thanks in advanced,