View 3D Printing Overhang US. Your print has an overhang. When you want to print a.
3D Printing Supports - 3 Easy Steps to Success | All3DP from i.all3dp.com
First and foremost, extrusion flowrate must be kept close, roughly 1:1 for the distance traveled. Suggested corrections reduce or remove this overhang area by changing the geometry of the 3d file. If the part allows it, printing without supports will yield a faster print.
There is a bridge rule to avoid supports.
Your print has an overhang. Overuse of the technology on parts that do not need to be printed. However, this means the entire model needs to be printed slowly. These criteria depend on the printer and material, but blender has tools to help troubleshoot and spot issues before sending to the printer.