
Tutorials
How to 3D Print Overhangs Without Supports
Why FDM overhangs sag, what the 45° rule really measures, how bridges work, and the design and slicer changes that let you print without supports.
PrototypeBD·Oct 22, 2026·12 min read
The PrototypeBD Blog
Tagged “design-for-3d-printing” · clear

Why FDM overhangs sag, what the 45° rule really measures, how bridges work, and the design and slicer changes that let you print without supports.