Is this 3D model free to download?

Yes, Gap Spacer for Sunlu S2 Filament Dryer is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MakerWorld. Use the "Download from MakerWorld" 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 blecheimer, published on MakerWorld. 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.

Gap Spacer for Sunlu S2 Filament Dryer 3D printable model by blecheimer

Gap Spacer for Sunlu S2 Filament Dryer photo 1

Gap Spacer for Sunlu S2 Filament Dryer photo 2

Gap Spacer for Sunlu S2 Filament Dryer

Source: MakerWorld by blecheimer

The Gap Spacer for Sunlu S2 Filament Dryer is a free printable 3D model from MakerWorld by blecheimer. The Sunlu S2 is a really good filament dryer. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

5,451 saves Source: MakerWorld Updated 2026-10-13 Print time: 44m Filament: 12 g License: CC-BY-NC-SA · non-commercial ★ 4.9 (660) 4,612 makes Category: 3D Printer

Tags: sunlu s2, sunlu, filament dryer, dryer

About this model

The Sunlu S2 is a really good filament dryer. But it has a major design flaw: The hot air cannot vent out. There is simply no large enough opening in the top cover. Ok, I could just drill a hole in the cover but I like printing more than drilling…So I made a gap spacer to keep the top cover a little bit open. This works suprisingly good and the humidity sinks under 20% during heating. The spacer sits flush on the bottom half and the cover just sildes in. Print the spacer upright with PETG. PLA might get soft if the dryer is set to high temps. As it is a functional part use draft settings. No time to worry about the looks.3 walls, 4 tops & bottoms, 10% gyroid infill and no support - see my 3mf file (Bambu Studio / Orca Slicer) for more details and my PETG settings. Disclaimer:This work by …

Frequently asked questions

Is this 3D model free to download?: Yes. Gap Spacer for Sunlu S2 Filament Dryer is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by blecheimer.
Who made this model?: Designed by blecheimer, published on MakerWorld. 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.