Loft face fixed in space

I created this loft for table legs by creating 3 constructions planes offset from the underside of the table, and then projected the dimensions for the first section to them.

For the bottom 6 inches I created a taper by offsetting edges from the projection of the last plane.

If I go back in history and move the table top, the bottom face of the loft seems to be fixed at a specific point in space unlike the other loft points. Is this something I’ve done wrong, or is this a bug?

table.shapr (64
.2 KB)

Thanks for the detailed description and for attaching the .shapr file, that really helped.

The issue is that Offset Edge currently only creates the new sketch lines, but does not constrain them to the originals. Because of that, they’ll be floating in space and don’t adjust as you move the original body. We’ll fix this soon (the current behavior is very confusing and totally unexpected), until then the workaround is to explicitly constrain the new lines after you create them with Offset Edge.

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