Craftisian

re: Kitten Clock. [Contains “r Certificate” warning] 

LIttleBlackDuck

 Steve Rasmussen 
.....

Here's another fun math clock design.
 

I can handle up to 3 o'clock, but... I + V = ???? and then it gets harder.

If your first cut is too short... Take the second cut from the longer end... LBD