This is a simple and quick soil block maker.

Can be used with or without a coil spring, in my case I took it from a broken toy.

Build with Onshape:
https://cad.onshape.com/documents/df7cfc02aba78bbebe514296/w/59e89d280a82b984823bf72b/e/14ac4f6cfd3279407d0c0561

Block dimension: 50 x 50 x 50 mm
Hole diameter: 12 - 9mm (conical)
Hole depth: 10mm
Assembly: Superglue / "Cianoacrilat"

Print material: PETG
Infil: 25%
Nozzle: 0.4mm
Layer height: 0.35mm

Enjoy gardening.

Anet

A8

Doesn't Matter

Yes

0.4

25%