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I've been making these Leca plant pot liners for years now and thought they might be useful to other people. This allows you to make custom liners for any pot that fit perfectly!
The .stl file is just an example. Use the *.scad file with https://openscad.org/

Instructions to create a pot liner:

set is the height of the liner
set the top_diameter
set the bottom_diameter.

If you haven't heard of leca or semi-hydro before:

It's a great alternative to growing plants with soil. It allows you to have more control of the nutrients given to a plant, minimize pests, monitor water level, and monitor root health :)

Troubleshooting:

If the holes in the side are overlapping, there are a couple things you can try:

try changing the hole_radius to something smaller

Helpful Tips:

It's usually best to make the top_diameter a few mm smaller than the actual diameter
Even if the pot is a cylinder and doesn't taper, set bottom_diameter about 10mm smaller than the top_diameter
If the print doesn't perfectly fit in a pot, use a small butane torch to reshape it.
Use a butane torch to bend the tabs over the edge of the pot.

Contribute:

If you want to make a change, please feel free to do a PR here:
https://github.com/dannykmack/leca_liner_openscad

Print Settings

Notes:
- PETG seems to last a little longer since, but most of the prints I've done have been in PLA and have lasted years.
- Using a brim is useful if you have any issue with bed adhesion.
- I usually print using a 0.6mm nozzle with 0.4mm layer heights in Prusa's \"Draft Mode\".

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Custom Plant Pot Liner for LECA or Semi-hydro

Model files

leca_liner_v2.scad

leca_liner_v2.scad

leca_liner_v2_example_100h_100t_80b.stl

leca_liner_v2_example_100h_100t_80b.stl

Model origin

License