D20 hollow Decoration

You print all 20 sides facing down, and connect them later.

It is important to reduce Solid layers for Top and Bottom to 0. 
I used 3 Perimeters, but you can use more or less, to your liking. 
For the infill, I used Cubic infill and set the 'Fill angle' to 0. 

All sides can be connected with pin needles as hinges. 
You can also use wire or thread, but I specifically designed it to work with 4 cm pins used for sewing. 
If your tolerance isn't matching, u can use glue to make all needles stay in place.

All numbers are printed separately as insets to glue in later. I set my Perimeters to a high number to make them solid without using Infill. It looks good for letters.

I also included a clear Triangle, so you can remix it with your own Font or Print one without numbers.

It is about 17 cm high.