Here are a few commonly used shortcuts in Pencil2D: Ctrl + N: Create a new project. Ctrl + O: Open an existing project. Ctrl + S: Save the current project. Ctrl + Z: Undo the last action. Ctrl + Y: Redo the last undone action. Spacebar: Toggle between play and pause. B: Select the brush tool. E: Select the eraser tool. P: Select the pen tool. T: Select the transform tool.