![Q: Why is Slic3r (1.2.9, Linux) not generating support for my ceiling? (It only generates support for the holes.) : r/3Dprinting Q: Why is Slic3r (1.2.9, Linux) not generating support for my ceiling? (It only generates support for the holes.) : r/3Dprinting](https://external-preview.redd.it/Z9GF5k6I3b7-1GDBSWCmTfzKeo0yfihP5IkCMtVyZXk.png?width=640&crop=smart&auto=webp&s=90a8c2fa6bf601c9efbed1418b8fbeb3c7e44d41)
Q: Why is Slic3r (1.2.9, Linux) not generating support for my ceiling? (It only generates support for the holes.) : r/3Dprinting
slic3r PE has deverged from upstream slic3r manual; needs a specific manual · Issue #1254 · prusa3d/PrusaSlicer · GitHub
![Smooth Variable Layer Height and Awesome Supports in Slic3r Prusa Edition - Original Prusa 3D Printers Smooth Variable Layer Height and Awesome Supports in Slic3r Prusa Edition - Original Prusa 3D Printers](https://blog.prusa3d.com/wp-content/uploads/2017/03/2017-03-09-at-16.40.png)
Smooth Variable Layer Height and Awesome Supports in Slic3r Prusa Edition - Original Prusa 3D Printers
![Reprap development and further adventures in DIY 3D printing: Slic3r - Advanced perimeter tuning - 3D Printing tutorial Reprap development and further adventures in DIY 3D printing: Slic3r - Advanced perimeter tuning - 3D Printing tutorial](http://4.bp.blogspot.com/-3gzHwwZ38nI/VKXUy5vAAYI/AAAAAAAAFyk/r9QIy3TeENY/s1600/RichRap_Slic3r_Advanced_Perimeter_tuning.jpg)