Aplo
Aplo Modelling · In development

Trim/Extend to T

Pick a boundary, then click each line or wall you want brought to it. Only the second pick moves — the boundary stays exactly where it is.

If you have used Revit, it is Trim/Extend Single Element, and Multiple Elements without the selection box.

Works on
Lines Loose edges that bound no face, as the boundary or as the one that moves
Walls from other extensions Muzwalls, Medeek and FlexTools walls, or layers you grouped by hand
Solid groups A single solid, read as a wall of one layer
Any pair of these A line can be the boundary for a wall, and a wall for a line

Extend a line to a boundary

Click the boundary first, then the line on the side to keep. The line runs on until it meets the boundary.

A short line, before and after: extended to the boundary

Trim a line back to a boundary

A line that runs through the boundary is cut back to it. The part you clicked on is the part that stays.

A line crossing the boundary, before and after: trimmed back to it

A row of lines, one click each

The boundary stays picked after each trim, so a row of lines or walls is brought to it one click at a time. Esc lets go of the boundary.

Three lines of different lengths, before and after: all ending on the boundary

A wall into another wall's run

A wall brought to the run of another wall is joined there as a T. The wall you ran into stays as it is; the joining wall's end is cut square on its face.

A layered wall short of another wall, before and after: joined as a T, its end cut square on the other wall's face

When they never meet, it says so

A line parallel to the boundary never reaches it. Trim/Extend to T leaves both alone and says why in the status bar.

A line parallel to the boundary, before and after: unchanged, with the message that they never meet

How it is used

Input What it does
Click The boundary — a line, a wall or a wall group
Click Each line or wall to bring to it, on the side to keep
Esc Lets go of the boundary
Undo Takes back one trim at a time
Also in Aplo Modelling

Beta · 0.3.1

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For SketchUp on Windows and macOS.
An early build, so expect rough edges.