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![breathing" 3D printed tank feature, designed with air tubing holes in the nostrils and embedded ceramic bubble stone. Modeled my fishtank in Maya to get the scale and spacing right for the breathing" 3D printed tank feature, designed with air tubing holes in the nostrils and embedded ceramic bubble stone. Modeled my fishtank in Maya to get the scale and spacing right for the](https://i.redd.it/5axvwnd1iyr51.jpg)
breathing" 3D printed tank feature, designed with air tubing holes in the nostrils and embedded ceramic bubble stone. Modeled my fishtank in Maya to get the scale and spacing right for the
![PicoGrow, PicoTumble & PicoFree Reactors from Printed Aqua | Reef Builders | The Reef and Saltwater Aquarium Blog PicoGrow, PicoTumble & PicoFree Reactors from Printed Aqua | Reef Builders | The Reef and Saltwater Aquarium Blog](https://reefbuilders.com/wp-content/blogs.dir/1/files/2021/01/printed-aqua-pico-reactors.jpg)