Paddle Board Fin
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Shallow water fin for paddle board
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial
6/29/25 Update: Added holes for key lock string
I needed a short, shallow-water fin for my inflatable stand-up paddle board and couldn't find any I liked online for the slide-in fin box that is common on most inflatable SUPs.
This fin is approximately 11.5" long by 4" tall and will just barely fit on a standard Prusa Mk3 build plate. I printed a locking tab design I found on another Printables model.
I printed with PETG and gyroid infill (add height range modifier: 80%-100% up to 10mm and 60% onward). Check out Jim Thompson on YouTube for another option for adding strength to a 3D printed fin.