Closing open geometry and fixing closed geometry

as requested on support…

Given a file:

How to ready for cutting out by:

  • closing magenta lines by drawing in additional geometry
  • how to fix geometries which have been doubled back and closed despite not describing a region:

For short regions of open geometry

it is straight-forward to select:

copy, then paste:

then arrange:

then draw in additional geometry which overlaps the surrounding geometry:

Done

Repeat at the other end:

Done

Select the geometry in question:

Trim Vectors:

Click to remove what is not wanted:

until one arrives at:

OK

OK

Use Join Vectors to close:

For geometry which is closed, but doesn’t describe an open region:

select it and go into Node Edit mode:

Drag nodes around:

and if need be, right-click:

and insert a node:

which may then be adjusted in position:

and the off-curve nodes adjusted as needed:

Note that the alt/option key may be held down when dragging to make a sharp node and prevent an already placed node associated with the matching on-curve node from moving:

Repeat as needed for other elements.

If need be, select a newly closed region and any region which it intersects:

and use Trim Vectors:

to resolve the intersection:

OK

OK

Join Vectors:

Eventually one arrives at:

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