Is this 3D model free to download?

Yes, Catamaran Balloon Boat 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 UWcharlie1983, 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.

Catamaran Balloon Boat 3D printable model by UWcharlie1983

Catamaran Balloon Boat

Source: Thingiverse by UWcharlie1983

The Catamaran Balloon Boat is a free printable 3D model from Thingiverse by UWcharlie1983. My son loved the Balloon Boat designed by Keyes, but I wanted to make it faster and more stable. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

825 saves Source: Thingiverse Updated 2026-10-24 License: CC-BY-NC-SA · non-commercial 4 makes Category: Toys & Games

Tags: air, ballon, balloon, bath, bathroom, bathroom accessories, Bathtime, bathtub, block, blocks, boat, brick, child, Children, compatible

About this model

My son loved the Balloon Boat designed by Keyes, but I wanted to make it faster and more stable. This lead to the idea to modify it into a Catamaran. Two hulls leads to increased stability and two balloons means twice the power! This can be printed without supports. Changes made: 1) Narrowed the hull to just under half its original width and made it a Catamaran. 2) Added the bridge to connect the two hulls. The studs on the bridge are compatible with Lego and spaced so that they can be connected to the studs on each hull (spacing: 9.6 mm higher and 16 mm laterally). 3) I slightly decreased the diameter of the chimney for the balloon mount. Makes it easier to mount while still always being air tight. 4) Decreased the relief for the balloon rim to sit in. This is plenty to keep it on, and ma…

Frequently asked questions

Is this 3D model free to download?: Yes. Catamaran Balloon Boat 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 UWcharlie1983.
Who made this model?: Designed by UWcharlie1983, 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.