Is this 3D model free to download?

Yes, Active Cooling Fan Duct v2 for Replicator 1 / Duplicator 4 / FlashForge / CTC 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 thruit00, 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.

Active Cooling Fan Duct v2 for Replicator 1 / Duplicator 4 / FlashForge / CTC

Source: Thingiverse by thruit00

The Active Cooling Fan Duct v2 for Replicator 1 / Duplicator 4 / FlashForge / CTC is a free printable 3D model from Thingiverse by thruit00. Please read this text completely before printing! This is an improved version of thing 295317 ##Goals Fine detailed parts of your prints (PLA and ABS) normally don't show up well. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

34 saves Source: Thingiverse Updated 2026-09-03

Tags: Active, Cooling, Fan, Duct, v2, for, Replicator, 1, /, Duplicator, 4, /, FlashForge, /, CTC

About this model

Please read this text completely before printing! This is an improved version of thing 295317 ##Goals Fine detailed parts of your prints (PLA and ABS) normally don't show up well and and bridging only works for small distances if you use your printer like shipped from the manufacturer. This is because a fundamental part of your printer is missing - the extra cooling fan (duct). On some of the prints you can slow down printing speed as a workaround for this problem but you will not get very fine details or long bridges to match your needs. The goal of this duct is to create the best possible solution to avoid this problem without any real drawbacks. ##Compatibility This active cooling duct is designed to work on the following MK7/MK8/MK9 Dual Extruders: * MakerBot Replicator 1 * FF3DP Flash…

Frequently asked questions

Is this 3D model free to download?: Yes. Active Cooling Fan Duct v2 for Replicator 1 / Duplicator 4 / FlashForge / CTC 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 thruit00.
Who made this model?: Designed by thruit00, 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.