With the ofnuts inbetweener I've used paths to make a drawing. The first 'inbetween' is right (blue) but the ones in red minimise to the centre and then maximise to the origin length. Is this normal or is it an error?
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Hard to tell without the actual path and the parameters used. What I suspect is that your two paths are top-to-tail (ie, running in opposite directions), so the extremities of the intermediate paths are following the yellow lines:
Of course, you'll find everything in ofn-path-edits to remedy to that
Ofnuts, thank you for the quick reply. I've made 2 new paths with the same direction, used the inbetweener en the result is perfect. As you mentioned, both paths were not drawn in the same direction. Problem solved.