Print 90° overhangs without supports? Here's how
Thanks to a new print head movement technique based on wave propagation theory, it is now possible to overcome the traditional limit of unsupported overhangs in standard FDM printers.
Wave theory applied to the toolpath
The new approach modifies the print head movement to simulate waves that distribute material in a continuous and controlled manner.
The secret to printing horizontal overhangs without supports lies in wave propagation theory. Instead of depositing traditional plastic lines, the system generates continuous paths that behave like radiating waves.
These paths exhibit behavior similar to diffraction. They can bend and naturally navigate around complex geometric shapes. The print head no longer follows linear or arc trajectories, but wave-like movements that distribute the material progressively.
- Wave-like paths replace traditional linear trajectories
- The diffraction-like behavior allows navigating around complex geometries
- Progressive deposition reduces the gravitational load on the suspended material
The software that implements this technique is called WaveOverhangs, currently available as a fork of OrcaSlicer. The idea is to create rings of deposited material that attach to the previous ones in the same layer.
How wavy layering works
By reversing the logic of traditional planar layering, the effective weight of the suspended material during deposition is reduced.
When the printer deposits a layer in the
article written with the help of artificial intelligence systems
Q&A
What is the theoretical principle behind the new supportless overhang printing technique?
The technique is based on wave propagation theory. The print head movement simulates radiating waves that distribute material in a continuous and controlled manner, allowing it to overcome the traditional limitations of overhangs in standard FDM printers.
What does the print head movement consist of in this innovative technique?
The print head no longer follows linear or arc trajectories, but undulatory movements. These continuous paths behave like radiating waves and exhibit behavior similar to diffraction, bending and circumventing complex geometric shapes.
How does this technique manage to reduce the load on the suspended material during overhang printing?
The progressive deposition of material through undulatory paths reduces the gravitational load on the suspended material. Furthermore, by reversing the logic of the traditional planar layer, the effective weight of the suspended material during deposition is reduced.
What is the name of the software that implements this technique and how is it available?
The software is called WaveOverhangs and is currently available as a fork of OrcaSlicer. It allows generating the undulatory paths necessary to print horizontal overhangs without supports.
How does the wavy layering mechanism work to maintain overhang stability?
The system creates rings of deposited material that attach to previous ones within the same layer. This approach allows building the structure progressively, preventing the collapse of the suspended material.
