Keyboard shortcuts
Every keyboard shortcut and mouse action in MeshOptimiser v0.13.0, grouped by what it does.
On macOS, use ⌘ wherever this page says Ctrl.
Inside the app, press ? for the same list with a search field. Shortcuts with a single key do nothing while you are typing in a field.

File
- CtrlN
- New scene, in a new tab
- CtrlO
- Open a file
- CtrlShiftO
- Import a file into the open scene
- CtrlS
- Save the scene
- CtrlE
- Export
Edit
- CtrlZ
- Undo
- CtrlY
- Redo
- CtrlShiftZ
- Redo
- CtrlC
- Copy the selected parts
- CtrlV
- Paste
- CtrlD
- Duplicate the selection
- Del
- Delete the selection. Backspace does the same.
Tools
- X
- Split
- P
- Fill holes
- CtrlB
- Smart fit
- CtrlM
- Merge the selected parts into one
- CtrlG
- Group
- CtrlShiftG
- Ungroup
- F2
- Batch rename
- M
- Measure
- Enter
- Run the open command panel
- Esc
- Put the open command panel away
Decimate, Fit to budget and Select hidden parts have no key of their own. Find them on the toolbar, in the … list or with the search.
Selection
- CtrlA
- Select all
- CtrlI
- Invert the selection
- Esc
- Select nothing
- ShiftS
- Find the selected part in the tree
Visibility
- H
- Hide the selection
- ShiftH
- Hide the rest
- AltH
- Show all
- S
- Isolate the selection, and back
View
- F
- Frame the selection, or the whole model
- 1
- Solid
- 2
- Wireframe
- 3
- X-ray
- 4
- Heatmap
- 5
- Clay, and back to solid
- Ctrl1
- Camera view (perspective)
- Ctrl2
- Top view
- Ctrl3
- Front view
- Ctrl4
- Side view
- G
- Show or hide the floor grid
Move, rotate, scale
- E
- Move
- R
- Rotate
- T
- Scale
- Q
- Hide the gizmo
- Shift
- Hold while dragging the gizmo to snap
Panels and windows
- CtrlK
- Search commands, parts and the library
- ShiftM
- Materials dock
- `
- Console
- Ctrl,
- Settings
- Ctrl;
- Scene settings
- ?
- Keyboard shortcuts
- CtrlF
- In Settings: jump to the search field
- Esc
- Close the open window or menu
Mouse, in the viewport
- Click
- Select a part
- ShiftClick
- Add to the selection
- CtrlClick
- Add to or remove from the selection
- CtrlDrag
- Box select
- CtrlShiftDrag
- Box select, adding to the selection
- Drag
- Orbit
- Middle drag
- Pan
- Right drag
- Pan
- Scroll
- Zoom
- AltRight drag
- Zoom smoothly
- Right-click
- Menu for the part or the view
Mouse, elsewhere
- Double-click
- On a name in the tree or on a tab: rename
- ShiftClick
- In the tree: select a range of rows
- Middle click
- On a tab: close it
- Esc
- While dragging a tab: put it back
- Shift
- While dragging a number: ten times faster
- Alt
- While dragging a number: ten times finer