The Answer.
Also, just having fun trying out a some 3D CAD and printing ideas. More versions on the way.
Amaze your friends! : Double Reverse Twist Puzzle
OnShape 3D CAD files :
Print in PLA using the 3mf files provided. The 3mf file for the numbers prints both numbers.
Use contrasting colors for the "box" and the numbers.
The author marked this model as their own original creation.