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FlexFin 3D Modeled Surf Fin *DIGITAL FILE*

$4.99 $0.00


Good For: Pivots and turn control for mid-sized longboards & hybrids. But, go ahead – experiment!


  • Base: 144 mm (5.6 in)
  • Depth: 177 mm (7 in)
  • Foil: 50/50 symmetrical
  • Sweep: Big
  • Base designed for US Box.

WAVE ARCADE ready-to-print surf fins. Skip the 3D modeling software and start experimenting with new surf fin production methods and materials yourself. Use our fully modeled (base + fin) .STL files to make your own fins.


The FlexFin

The WAVE ARCADE MidFin is designed to be a flexy fin for mid-sized longboards & hybrids. Designed with a big sweep and skinny profile, the FlexFin should allow for major maneuverability control through turns and pivots. However, a thicker profile near the base should provide you with good drive down the line as well.

Get into those smooth carves and pivots with the WAVE ARCADE flex fin. Minimal drag and a wide base will allow you to go fast while maintaining control down the line and through turns.

This single fin is a good size for mid-sized longboards and hybrids. It would even be fun with a single fin shorty.

This should be a fun fin in most wave conditions.

FlexFin Specs:

  • Base: 144 mm (5.6 in)
  • Depth: 177 mm (7 in)
  • Foil: 50/50 symmetrical
  • Sweep: Big
  • Base designed for US Box.

If you plan to 3D print this fin, make sure your printer has a build area of at least 8 in x 8 in x 8 in (203 x 203 x 203 mm).

Enjoy! And please let us know how it goes.

How to Make this Surfboard Fin

Making your own fin is easy! With this WAVE ARCADE 3D-modeled fin you’ll need to:

  1. Download the .STL file from the email you receive or your account page after purchase.
  2. Open the file in your 3D printer’s editor to modify the print settings and convert it to g-code
    • This is where you’ll determine the print orientation, infill patter, and print speed.
  3. Determine the filament material you’ll print with.
  4. Send your file to the 3D printer and press print!

You can also use this file with a CNC machine or as a guide to cutting and foiling your own surf fins by hand.

Be sure to check your measurements & settings. Get in touch if you run into any problems!

3D Modeled Surf Fins

Welcome to the future. With the advent of accessible 3D printing, the possibilities for surf fin experimentation are not only endless, but totally feasible.

By purchasing one of our 3D modeled surf fins, you’re acting as an early investor in the WAVE ARCADE project. You’re helping us ramp up production, testing, and ideation aimed to keep surfing as fun and as sustainable as possible. We aim to improve the oceans & beaches and have a great time doing it.

Be aware that not all 3D modeled surf fins currently available have been tested or printed. Also note that the production material and production settings you choose will have a big effect on the performance of your fin. If you find a problem with the file itself (layout, dimensions, etc.), please get in touch and we’ll help you solve the issue.


This surf fin is available as a digital file for you to experiment with production methods of your own. Simply download the .STL file, load it up to a 3D printer program, confirm the dimension (alter them if you’d like), and print.

WAVE ARCADE digital files are for the true experimenters and for those who can’t wait for WAVE ARCADE to get its act together and offer physical products.

We encourage you to find new, creative, and sustainable methods and materials to produce our digital products.

With every digital product purchase, you’re bringing us closer to funding an operation that allows us to ramp up testing, production, and sale of WAVE ARCADE physical products.

Thanks for the support! Go ahead, go shred.


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