Top layer is smooth and Bottom layer is not and looks ugly - Improve your 3D prints - UltiMaker Community of 3D Printing Experts
![Lessons in 3D Printing: Blobs, Warping, Gaps, Ugly Overhangs, and other disasters with gravity – Debbie's Process Blog Lessons in 3D Printing: Blobs, Warping, Gaps, Ugly Overhangs, and other disasters with gravity – Debbie's Process Blog](https://dbbd.sg/blog/wp-content/uploads/2021/05/26144441438_86851dcbb7_c.jpg)
Lessons in 3D Printing: Blobs, Warping, Gaps, Ugly Overhangs, and other disasters with gravity – Debbie's Process Blog
![fdm - First layer of print comes out poorly even when placed on a raft (which prints fine) - 3D Printing Stack Exchange fdm - First layer of print comes out poorly even when placed on a raft (which prints fine) - 3D Printing Stack Exchange](https://i.stack.imgur.com/z1Kem.jpg)
fdm - First layer of print comes out poorly even when placed on a raft (which prints fine) - 3D Printing Stack Exchange
![First layer won't stick and diagonal fill lines too thin - K8200 - Issues while printing - Whadda forum - Community Help and Support First layer won't stick and diagonal fill lines too thin - K8200 - Issues while printing - Whadda forum - Community Help and Support](https://lh5.googleusercontent.com/-LBBJCyKCttE/VABnRjSe4VI/AAAAAAAAAAs/cqOHcuKRZWs/s912/IMG_20140828_212728.jpg)