Display stand for key chains. The stand is contracted by modular part, therefore the number of floors can be increased or decrease.
Each floor of the design can hold 6x3 key chains on the outer side, 6x3 on the inside, and 6x1 in the core.

Creality

Ender 3

0.15

When printing the column, support should be added to hold it's pins. No additional support is needed when printing the parts.

Each floor is contracted by the fooling parts:
1 base unit
6 columns
3x6 (18) pins

Attach the pins to the base unit, and later attach the columns to the base.