This spherical dice has a small iron ball inside. This makes sure the dice lands on a number and no guesswork is required.
Option 1:
Print the full version. Pause the print at z=15mm to insert the ball. The numbers are embodded into the ball.
Option 2:
Print out the two halfs in PLA and put a small iron ball inside. Then glue both half's together. I have used a 9mm steel ball. Last step is to paint on the numbers.
Tips for printing:
Update 14.mrz.2023:
Added a version with embossed numbers. Pause the print at z=15mm to insert the ball.
The author marked this model as their own original creation.