Useful C4D shortcuts
SHORTCUTS
General/UI
Shift + F12 = create your own custom shortcuts, open the Customize Commands window
Shift + c = quick command search and execution
Shift + v = viewport settings
Cmnd + d = project settings
v = UI contextual menu
n-a = Gouraud shading
n-b = Gouraud shading w/ lines
n-g = lines only
Cmnd + shft + z = undo camera view
0 - rectangle select tool
9 - live select tool
Option + r = Interactive Render Region
RMC (right mouse click) on arrows next to a parameter to reset it.
s - when mouse pointer hovers over object manager, displays selected object in hierarchy.
Modeling
c - make parametric object "editable" (object must be selected when pressing "c")
m-e (quick combo) - polygon pen tool (use cmnd to duplicate... add AFTER shft to rotate as well or... add shift at the same time to MOVE polygon) (cmnd + shft + hover over edge to ROUND it, LMC (Left Mouse Click) to subdivide arc. LMC on edges to knife cut. etc, etc, etc. Tutorial 01, Tutorial 02
kk - knife tool
Enter - click (numeric keypad) Enter to toggle between points/faces/edges mode.