Selection

Add to current selection

(and hold) Drag selected object

Zoom (relative to cursor)

Rotate 90 degrees clockwise

Align left

New file

Undo

Close path

Auto join

Optimize path

Edit nodes

Position laser

(while over node) Convert to smooth corner node

(while over a line) Convert line to smooth curve

(delete line) While over a line

(while over a line) Insert node point

(while over a line) Trim line at next intersection

(while over line) Extend line to next intersection

Set first target position