I have been using a 3D printer now for over 5 years. My first was a Prusa i3 which I extensively modified over the years and looked more like some creation rather than a printer, but it worked. The problem I always had, was tall things being thrown off the bed 🤣 and slow printing. So now I have a Creality Ender5-S1 running Klipper software. What a dramatic difference. I was in the process of designing a 3D printable boat in FreeCad which was designed with 3D printing in mind. Then I thought someone must have had the same idea. Sure enough I found a speed boat on
https://www.thingiverse.com/