A simple ribbon bow maker that my wife wanted. I found a template online, sent it through an JPG to SVG converter and then uploaded it to tinkercad. From there, I generated an STL (uploaded here).

Note: I had to scale this way down before I printed. I am using a Dremel 3d Idea Builder with their software and it printed just fine. I did it at about 4 inches on the scale and it works beautifully.

I put this in and it comes out enormous, so I scaled it way down to about 4 inch by 4 inch and printed with the default fill on standard print quality.