Is this 3D model free to download?

Yes, Modular Rocket for Estes motors is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MyMiniFactory. Use the "Download from MyMiniFactory" 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 Leslie Kaye, published on MyMiniFactory. 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.

Modular Rocket for Estes motors 3D printable model by Leslie Kaye

Modular Rocket for Estes motors

Source: MyMiniFactory by Leslie Kaye

The Modular Rocket for Estes motors is a free printable 3D model from MyMiniFactory by Leslie Kaye. Modular Rocket systemThis project is rocket science! Rocket motorsThe rocket is designed to use Estes motors which are either 18mm or 24mm in diameter (B, C, D series motors). You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MyMiniFactory

91 saves Source: MyMiniFactory Updated 2026-10-13 License: CC-BY-NC-SA · non-commercial

Tags: rocket, Estes, model_rocket, modular_rocket

About this model

Modular Rocket systemThis project is rocket science! Rocket motorsThe rocket is designed to use Estes motors which are either 18mm or 24mm in diameter (B, C, D series motors). You can buy the rocket motors on the internet or at good model shops. Information about the motors including safety instructions are available at the Estes website. Download the latest Estes Catalogue which includes a chart of the different rocket motor specifications. Print your rocketSelect a Fin_18 or Fin_24 depending on the size of the rocket motor you will use. Also included are twist fin-cans if you want to spin your rocket for added stability. The fin-cans are stackable so that you can optionally have booster lower stages (suggested booster engines C5-0, C11-0, D12-0). You can print the fin can in LPA but the …

Frequently asked questions

Is this 3D model free to download?: Yes. Modular Rocket for Estes motors is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MyMiniFactory, not by Thinger. We link you directly to the original listing by Leslie Kaye.
Who made this model?: Designed by Leslie Kaye, published on MyMiniFactory. 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.