Modular Hydroponic Tower Bucket Lid with no Glue or Bolts Updated 2026

UPDATES:

• 21.09.2026
  Added a new locking Modul (KeySlot) to Versions 2 and 3 and most Lid Versions. This should help so that the Center Modul is better fixed in Place.
  I only testprinted some Parts of it but it should fit.
  I will add missing Moduls later when i have time. If you need one pls write me and i will add it as fast as possible.
  Changed some minor Things like tolerances.
  

• 07.08.2026
  Changed the Center Modul so it would fit on the Bucket Versions v2 and v3 with the Opening modul i added last time.
  Added a new Bucket Version 3 ( You can see the dimensions down below)
  Cleaned most of my original Fusion360 Files so i can change or correct things easier.  In this progress some files may have changed slightly so i put the older files into a new folder (mostly the Lid with opening).
  Removed the Support Rod holes in some of the Bucket Version because i think they are not necessary for the smaler buckets. If you want them contact me and i will add them later.
  
  THANK for the feedback from:
  @SierraGolf
  @DaveP_1727501
  
  I hope everything fits (i added some tolerances because i cant test every version). If something is broken pls write it so i can fix it :D.
  

• 04.07.2026
  Fixed The Stronger Pipe Module and added a new Part from the comments to the Project. 
  Added Lid with opening for filling cap or water level indicator for IKEA Bucket and 5 Gallon v2/2.1
  Added Step files for most stuff i found on my old hardrive will add more if i find them ^^.
  
  THANK for the feedback from:
  @Darkextratoas_243028
  @Bobd_4133690
  

•  03.07.2026
  Saw after a long break the Problems of the Stronger Pipe Modul and will fix it so i deleted it from the downloads for now. Will also look to upload step files.

• 20.06.2025 
  Added a test Lid for 5 Gallon Buckets. I used some 3D model buckets as reference because i dont have one at the moment. Maximum inner and outer diameter of the tested bucket models are below in the description.
  (will add a version without the support rods in the lid later)
  

• 20.06.2025
   Added a little Different version (v2) of the 5 Gallon Bucket lid with slightly other inner Wall measurements.
  

• 21.06.2025
  Fixed a mistake in the Lid with Cable hole stl. now (v2.1)
  

• 11.12.2025
  Changed the Lid for the IKEA Version to be a little bit more stable in the long run (made the Connections longer and a little thicker.
  Changed the Center Pipe Module Part 1 to have a bigger and stronger Ring for stability (still compatible with all Lid Versions)

I modified the lid sections and the module adapter so that no glue or bolts are needed anymore. I also adjusted the size to fit better on my bucket and added height-adjustable support pillars to make everything more stable.

it should work with most printer sizes. I tested Prusa Mk3s, Mk4s and Prusa XL.

The center module for the other Tower pieces should also work with most other Lids as long as ther is enough space for the ring.
 

The Bucket i use is IKEA PS FEJÖ 32cm

Link:https://www.ikea.com/at/en/p/ikea-ps-fejoe-self-watering-plant-pot-white-20039394/

5 Gallon Version (I did not Print it):

I used two slightly different models, as you can see in the pictures above. The largest outer diameter was (31.5cm/12.4inch) and the smallest inner diameter was (28.9cm/11.37inch). Anything between the two should work.

5 Gallon Bucket Lid differences:

Version 1: max Outer wall/lip ~ (12.4 inch/315mm) 
                  max Inner wall/lip ~ (11.37 inch/289mm)

Version 2: max Outer wall/lip ~ 12 1/4 inch (311.15mm)
                  max Inner wall/lip 11 1/4 inch (285.75mm)

Version 3: Outer wall/lip ~ 292mm
                   Inner wall/lip ~ 277mm

 Added a Hole for Water Level Indicator from 

I think the support rods arnt necessary in the Bucket version and could be too short.

If you test it please leave feedback so I can change or improve something if necessary. 
If you need other measurements let me know in the Comments i will try my best :).
Thanks

Dimensions/Settings

• Layerhight 0.2mm

• Material PETG or ASA for Outdoor use

• Infill 15-25%

• Perimeters 2-3

• No support needed

If you like this model or found it helpful pls like it and write a review if you want ^^.
Thx