These are lego's and polypanels put together, and could quite useful in making some unique creations. I created the lego pieces in tinkercad myself because I couldn't find any models that fit well with real legos. I used a micrometer to get exact measurements of the pieces, so they should fit perfectly with real legos.
Although it's too small to print, I still added the lego logo on each stud just because it wouldn't look like lego's without it. I don't think this should be any copyright issue since first of all, it can't even print, and I'm not making any money off it. But if anyone tries to sue me (why?) then I'll take it off.
There are six pieces I've made so far, but if anyone has any requests for pieces, I'll try my best to make one. I also have created a bunch of other non-polypanel lego pieces, and at some point, I'll post them as another object. I'll also take requests for those. Please comment on your thoughts. Enjoy!! :)
Update: I've removed the logos on the studs just to make sure my design isn't taken down. You can read why here: https://www.myminifactory.com/blog/3d-printing-lego-takedown