an infill pattern for walls

[maker2]

What is the best infill for the walls of a cylinder?

I don't have the answer, but would probably start by guessing a sort of "wiggle" that follows the circular path of the wall all the way around.

Then I'd consider flattening the tips of the wiggle triangles so that a) contact with the walls would be better and b) the movement itself would be less violent (direction changes by 45 degrees at a time and not 90).

The fact is when printing parts we often have "wall" situations (a relatively narrow space between two planes) and infill patterns frequently work inefficiently or even badly in this situation.

My request would be for a sort of "intelligent infill" method that identifies wall situations and then calculates backwards from where the perimeters are to generate an infill that is appropriate. Rather than the usual generation of an standard repeating infill pattern relative the printer bed or whatever but certainly not contextually dependent.

Thanks.

[pjones]

a "polar coordinates" infill pattern would be nice

[Lagbert]

The concentric infill pattern works well on the cap layers with thin features. It would be nice if you could use mixed infill - thin features could be filled with concentric infill pattern and thick features could be filled with one of the other standard infill patterns.

I agree a polar coordinates or radial in fill would be a great addition.

A nearest neighbor infill would be useful for bridges that go over serpentine or arcing voids.