Print Quality Troubleshooting Guide
https://www.simplify3d.com/support/print-quality-troubleshooting/
http://shop.prusa3d.com/forum/napady-na-zlepseni-f10/vzorovy-vytisk-t68.html
http://www.thingiverse.com/thing:1019228
This guide is a great place to start if you are trying to improve the quality of your 3D printed parts. We have compiled an extensive list of the most common 3D printing issues along with the software settings that you can use to solve them. Best of all, the guide uses a large collection of real-world images to make each issue easy to identify when examining your own 3D printed parts. So let’s get started!