This is a modular planter system. There are 3 different sized planters.

Small: 8.7cmx8.7cm Medium: 8.7cmx17.4cm Large: 17.4cmx17.4cm

Each size has an insert to help with drainage if planting with dirt. The medium planter has a lid that can be used to make this a hydroponic planter using aerogarden sized pods.

The planters actually stack if that is needed to move a plant closer to the light source.

Recommend to print with PETG to improve the strength and reduce the amount of wear from light and water.