Surface
Cell dimensions and edge gluing
Copies use v1 = (a1, b1) and v2 = (a2, b2). Positive a goes right; positive b goes up. Typed changes apply only when you click Update surface.
Presets
Edges
Click an arrow to flip it. Remove a pair to leave that direction open.
Layers
Image and drawing layers
Image layer
Image is always behind drawing layers
Background opacity
Image fit mode
Surface preview
Drag to rotate · wheel to zoom
3D controls
Surface accuracy
Open a surface preview to calculate seam checks.
Shortcuts
Tools and view controls
1 / P
Pen
2 / L
Line
3 / O
Ellipse
4 / R
Rectangle
5
Dot tool
Hold D
Temporary dot
6 / S
Select
7 / E
Erase
Shift+7 / Shift+E
Toggle eraser mode
8 / V
Pan
9
Homology tool
Shift
Snap line / constrain shape
Alt
Draw line/shape from center
Space
Temporary pan
C
Clear
Shift+C
Full reset
F
Fit cell
M
3D model preview
T
Transparent 3D model
Twist slider
Roll/twist 3D model view
G
Surface panel
U
Update surface
H
Toggle grid
I
Layers panel
?
Help
Ctrl/Cmd+S
Save project
Esc
Close panels
Ctrl/Cmd + Z
Undo
Ctrl/Cmd + Shift + Z
Redo