Controls
LMB dragPaint selected element
RMB dragErase
SpacePause / resume
CClear canvas
ZUndo last action (2 levels)
SSingle step (when paused)
PToggle presets sidebar
HThis help screen
[ ]Decrease / increase brush
1–0Select Elements 1–10
Physics Notes
• Solids (Wood, Ice, Glass, Metal…) stay frozen while you draw — shape drops
on mouse release.
• Wall is permanently static — use it to build containers.
• Clone learns the first element that touches it, then emits endless
copies.
• Spark on Metal injects an electrical pulse; on anything else it
ignites.
• Metal carries electricity: wire a loop and touch with Spark to see it
travel.