On Windows, keyboard shortcuts are the same, just substitute ctrl for command.
- Move object forward: command + ] (right bracket)
- Move object backward: command + [ (left bracket)
- Combine : command + j
- Copy: command + c
- Paste: command + v
- Move object, fine : arrow keys
- Move object, coarse: shift + arrow keys
- Undo: command + z
- Redo: command + shift + z
- Remove object: delete
- To add object to selection: hold down shift and click unselected object
- To remove object from selection: hold down shift and click selected object
- Select all: command + a
- Zoom in: command + +
- Zoom out: command + -
- Open Machine Inspector (for advanced users): command + shift + d
Editing specific points on an object:
- Edit points: (select object) E
- Move point anchors in-sync: shift + [click and drag]