Builds a solid through several profiles in the order of the list, closed flat at the first and last one. The sections can differ in kind and in corners; between two sections the shape is a blend of the two, never larger than both and never smaller than both.
The profiles to loft through, in order: two or more, as rows or a wired Profile List. Their sizes must be plain numbers.
The curve the loft follows. Unset: the loft runs through the sections' anchors, straight from one to the next with Straight, on a smooth curve through them with Smooth. A closed curve brings the loft round to the first section again.
As drawn: every section stays exactly where it is drawn, and a wired path must pass through the sections' anchors in list order. Square to path: each section is moved onto the path by its anchor and turned square to it, as Profile Sweep does.
Angle in degrees each section is turned about the path, one per section. Between two sections the turn changes the way the shape does; on a closed path the last section turns on to the first the shorter way round. Unset: no section is turned.
Straight: straight sides from each section to the next, with a crease at the sections in between. Smooth: one smooth surface through all sections; it never bulges past two neighbouring sections.
Free: the sides leave the first and last sections heading for their neighbours. Along the path: they leave them parallel to the path. Not for a closed path, which has no ends.
Square to path on a wired path: where each section sits, as a fraction of the path's length, one per section, increasing. Unset: spread evenly from end to end.
The spot on each section that follows the path, one per section. Unset: each profile's centre.
Values the block gives besides its output. The editor lists them under Properties, and an input can read one by reference.
The loft as a Solid.
The line the loft follows, from its first section to its last: the wired path, or the line through the sections' anchors (straight with Straight, a smooth curve with Smooth). On a closed path it comes round to the first section again.
The axis-aligned extent of the loft.
The loft's signed distance, as a field.
The loft turned inside out: what was inside is now outside.