Help
Opens the in-app help panel with a summary of all keyboard shortcuts, navigation tips, and general usage.
How to use
Click the Help toolbar button or type help in the terminal. The help panel opens immediately and the command exits.
What's in the help panel
Navigation
| Shortcut | Action |
|---|---|
Scroll wheel | Zoom in / out |
Middle click + drag | Pan the view |
Double middle click | Fit all entities to screen |
Commands
| Shortcut | Action |
|---|---|
| Type | Start typing a command name — suggestions appear on the canvas |
Delete | Delete all selected entities |
Enter / Space | Confirm command or input |
Enter / Space (idle) | Repeat the last used command |
Escape | Cancel the current command or clear selection |
Selection
| Shortcut | Action |
|---|---|
Left click | Select an entity |
Drag → | Select only entities fully inside the drag area |
Drag ← | Select any entity that touches the drag area |
Left click grip | Edit a vertex or endpoint directly |
Drawing tips
- Snap points — the cursor snaps to nearby entity endpoints automatically.
- Sticky angle — move the cursor far enough in one direction to lock to 45° increments.
- Exact length — while the angle is locked, type a number and press
Enterto set an exact distance.
Version
The current app version is shown in the top-left corner of the help panel (e.g. KULMAN 2026.04.15).
Contact
Questions, bug reports, or feature requests?
We read every message.