I use this to protect my shrimps in my 30l nanocube from strong suction while changing the water.
protective_grid_10mm.stl | 8.6MB | |
protective_grid_10mm_cylinder.stl | 5.5MB | |
protective_grid_12mm.stl | 8.6MB | |
protective_grid_12mm_cylinder.stl | 5.3MB | |
protective_grid_8mm.stl | 8.8MB | |
protective_grid_8mm_cylinder.stl | 5.8MB |