Size of the attached pot insert is 12 cm in diameter and 6 cm in height. If you need different size, you can download openscad and change parameters you need.

In case you have any questions or need help, you can DM me. 

Customization

• outer_diameter 
  diameter of generated pot in mm - it should be 10 - 20 cm smaller than the inner diameter of your decorative pot
• hole_diameter
  diameter of holes in your pot - holes are here to drain the water away from your plants root
• height
  height of the planter in mm - it should be a bit smaller than your decorative pot
• number_of_holes
  how many holes you want in your pot (including the center one)
• hole_distance
  distance of outer holes from center

Openscad basics

After you change parameters you need press purple icon to check the preview of the pot.

If you're happy with the result, press the blue icon to render the file (it might take a while based on your computer*) and then press the magenta icon to export the .stl file.

*If the rendering time is too long, find $fn = 5000 and lower the number. 

Printing

Filament: Prusament rPLA Risotto Pigment

Supports: on built plate only