Is this 3D model free to download?

Yes, Seed starting box 5x5 for 30 mm foam cubes — light-proof lid, connected water channels is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by squeezer82, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Seed starting box 5x5 for 30 mm foam cubes — light-proof lid, connected water channels 3D printable model by squeezer82

Seed starting box 5x5 for 30 mm foam cubes — light-proof lid, connected water channels

Source: Thingiverse by squeezer82

The Seed starting box 5x5 for 30 mm foam cubes — light-proof lid, connected water channels is a free printable 3D model from Thingiverse by squeezer82. Summary (short version for the top of the description) A 5x5 propagation tray sized for standard 30 mm (3x3x3 cm) foam / rockwool cubes, with a light-tight push-on lid for seeds. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-06 License: CC-BY-SA · commercial OK Category: Outdoor & Garden

Tags: dark germination, foam cubes, gardening, germination, hydroponics, propagation, Rockwool, seed starting, seedling tray

About this model

Summary (short version for the top of the description) A 5x5 propagation tray sized for standard 30 mm (3x3x3 cm) foam / rockwool cubes, with a light-tight push-on lid for seeds that need darkness to germinate. Every divider has an opening at its base, so water poured into one corner levels out across all 25 cells instead of leaving dry pockets. Fully parametric OpenSCAD source included. Description Why Most printed cell trays are just a grid: you end up watering 25 cells one by one, and half of them dry out faster than the others. This one connects all cells hydraulically at floor level and adds a lid, so it also works for dark germinators (nigella, phacelia, delphinium, pansy, many herbs) without covering the tray in foil. How it works 31 mm clear cell width — 0.5 mm of play per side so …

Frequently asked questions

Is this 3D model free to download?: Yes. Seed starting box 5x5 for 30 mm foam cubes — light-proof lid, connected water channels is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by squeezer82.
Who made this model?: Designed by squeezer82, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.