Sunken submarine

thingiverse

I built a miniature submarine model for an aquarium that lets little fish swim right in (it's about 45-50mm in diameter). I'll add some photos later. To get the sub to sink, just put a small rock inside or if your aquarium has sand, pour a bit of it into the sub.\r\nIf you have any questions, feel free to ask in the comments.\r\n\r\nI printed this submarine lying down on my printer.\r\n\r\nIf you use and like this design, consider sending me a tip!