vertical versus horizontal holes - Improve your 3D prints - UltiMaker Community of 3D Printing Experts
![I have these little holes all over my print, that's not the seam, are they caused by the setting retract before outer walls, if not can you pleas help me to get I have these little holes all over my print, that's not the seam, are they caused by the setting retract before outer walls, if not can you pleas help me to get](https://preview.redd.it/vnmj3wsaw3961.jpg?auto=webp&s=d386bd008e04e214f05d5e221922901fbae534c5)
I have these little holes all over my print, that's not the seam, are they caused by the setting retract before outer walls, if not can you pleas help me to get
![Design Better Holes | Improve Tolerances | Reduce Sagging | Design for Mass Production 3D Printing - YouTube Design Better Holes | Improve Tolerances | Reduce Sagging | Design for Mass Production 3D Printing - YouTube](https://i.ytimg.com/vi/Bd7Yyn61XWQ/maxresdefault.jpg)
Design Better Holes | Improve Tolerances | Reduce Sagging | Design for Mass Production 3D Printing - YouTube
![distortion on round holes (Page 1) — XYZ Printing Help/Repair/Maintenance — SoliForum - 3D Printing Community distortion on round holes (Page 1) — XYZ Printing Help/Repair/Maintenance — SoliForum - 3D Printing Community](http://soliforum.com/i/?P3b0brb.jpg)
distortion on round holes (Page 1) — XYZ Printing Help/Repair/Maintenance — SoliForum - 3D Printing Community
![extrusion - Holes/ missing layers (after retraction) in 3d printed objects - 3D Printing Stack Exchange extrusion - Holes/ missing layers (after retraction) in 3d printed objects - 3D Printing Stack Exchange](https://i.stack.imgur.com/tSNwG.png)