Is this 3D model free to download?

Yes, The Catfish - A fully working submarine is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by hyperplanemike, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

The Catfish - A fully working submarine 3D printable model by hyperplanemike

The Catfish - A fully working submarine photo 1

The Catfish - A fully working submarine photo 2

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The Catfish - A fully working submarine

Source: Thingiverse by hyperplanemike

The The Catfish - A fully working submarine is a free printable 3D model from Thingiverse by hyperplanemike. A fully working submarine created for the Thingiverse #MakeItFloat challenge. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,249 saves Source: Thingiverse Updated 2026-11-03 License: CC-BY-SA · commercial OK Category: Vehicles & RC

Tags: buoyancy, engineering, MakeItFloat, middle school, science, steam, stem, submarine, TVY, water

About this model

A fully working submarine created for the Thingiverse #MakeItFloat challenge. I'd like to eventually get a fish finder on it and have it map lake beds. Reviews: "a fun, unique design" - Derek Bower "this is an incredible build" - omega-00 3DPrint.com article: Inspiration My initial inspiration for this sub came from this boat: I had a fishing trip planned and always wanted a RC boat to play with while out on the lake. I didn’t have the necessary hardware on hand to get the propeller setup going or the time needed to order parts, so I modified the boat to fit this water pump: Here is a newer version of that pump, modified by me: Once out on the lake, I tied some fishing line to it for a tether and attached a hook with some bait to the bottom. It caught a catfish! He was a small little guy a…

Frequently asked questions

Is this 3D model free to download?: Yes. The Catfish - A fully working submarine is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by hyperplanemike.
Who made this model?: Designed by hyperplanemike, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.