Is this 3D model free to download?

Yes, Velocity stacks runners IDA 48/50/51 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 egonn, 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.

Velocity stacks runners IDA 48/50/51 3D printable model by egonn

Velocity stacks runners IDA 48/50/51 photo 1

Velocity stacks runners IDA 48/50/51 photo 2

Velocity stacks runners IDA 48/50/51 photo 3

Velocity stacks runners IDA 48/50/51

Source: Thingiverse by egonn

The Velocity stacks runners IDA 48/50/51 is a free printable 3D model from Thingiverse by egonn. Experimental velocity stacks for fitting a ID-style throttle body from e.g. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-31 License: CC-BY · commercial OK Category: Vehicles & RC

Tags: 51mm, carburetor, efihardware, IDA, itb, ITBS, rotary, stacks, velocity, venturi

About this model

Experimental velocity stacks for fitting a ID-style throttle body from e.g. Efi hardware, used with rotary (13b) engines I added a few different profiles if you want to try different lengths and radiuses. The tall ones are a little taller than 100mm and the short one is around 70mm tall. There is a Step-file if you also want to create your own dimensions Distance between bolt holes is 70mm Neck has 51mm ID at the flange.

Frequently asked questions

Is this 3D model free to download?: Yes. Velocity stacks runners IDA 48/50/51 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 egonn.
Who made this model?: Designed by egonn, 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.