Expand Stroke on Donut object is not respecting the stroke round cap

[Lubed Legs]

When Expanding stroke on 100% Hole Radius Donut object the result removes Rounded Cap.

Reason: When the Donuts' hole radius is increased to 100% the geometry is overlapped and doubled.

Problem: This doubling is unexpected and unintuitive and is not removed automatically by the program. This results in impossibly thin geometry which is problematic for CNC applications as well as boolean operations.

Proposed solution: If hole radius is at 100% automatically remove duplicated control points and open the curve (break curve)

Manual workaround: Convert the Donut to curves, remove the duplicated points and break the curve, only then expand the stroke for the desired result.

 

Example file is attached.

Donut_Expand_Stroke.afdesign

[Hangman]

Hi @Lubed Legs and welcome to the forums,

This definitely appears to be a regression...

On macOS using v1.7.3, expanding the stroke works as expected, v1.10.6 and v2.X remove the rounded cap, though occasionally I see the rounded cap retained on one end but not the other depending on the size of the donut.

I'm not seeing the same issues you've highlighted when converting to a curve.

[Callum]

Hi All,

I have logged this to be investigated further by our developers

Thanks
C