Mouse
LMB
Rotate camera (drag)
RMB
Pan camera
Wheel
Zoom in / out
Selection & Parts
Click (viewport)
Select a single part in the scene
Shift+Click
Add/remove from selection
Drag (advanced)
Preview part placement on the grid before dropping
Modes
tune
Toggle Advanced editing mode
Globe / Target
In basic mode, switch rotation between world origin and part center
Transform (basic)
Q
Rotate selected 90° left (around origin)
E
Rotate selected 90° right (around origin)
Shift+Q
Rotate selected 90° left (around part center)
Shift+E
Rotate selected 90° right (around part center)
Bottom arrows
Rotate selected left/right (basic mode)
Grid & Snapping
grid_on
(Advanced) Toggle snapping parts to the 25 mm grid
Advanced snap
(Advanced) Set custom move / rotate snap amounts
Transform (advanced)
G
Move (translate) selected part with gizmo
R
Rotate selected with gizmo
S
Scale selected part with gizmo
Measure
M
Toggle the 3D ruler (advanced mode)
Click
Pick start and end points to measure
Editing
Del / Backspace
Delete selected parts
Ctrl+Z
Undo
Ctrl+Y
Redo
View
H / Home
Re-center view on layout
Files
Import Parts
Load FBX or STL part files
Export STL
Export the current layout as STL