Is this 3D model free to download?

Yes, Automatic Print Ejector - The Punching Machine 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 MatterHackers, 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.

Automatic Print Ejector - The Punching Machine 3D printable model by MatterHackers

Automatic Print Ejector - The Punching Machine photo 1

Automatic Print Ejector - The Punching Machine photo 2

Automatic Print Ejector - The Punching Machine photo 3

Automatic Print Ejector - The Punching Machine photo 4

Automatic Print Ejector - The Punching Machine

Source: Thingiverse by MatterHackers

The Automatic Print Ejector - The Punching Machine is a free printable 3D model from Thingiverse by MatterHackers. Achieve 3D printer autonomy by adding an Automatic Print Ejector to your machine. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,632 saves Source: Thingiverse Updated 2026-11-01 License: CC-BY-NC · non-commercial Category: 3D Printer

Tags: 3D printing, boxing glove, featured, Kossel pro, Print Ejector, punch, Punching Machine, scissor mechanism, whambamthankyoumam

About this model

Achieve 3D printer autonomy by adding an Automatic Print Ejector to your machine. This mechanism will knock the printed part off the bed when it is finished printing. We like to call it the punching machine, Check the video above to see why. For a complete component list and assembly instructions head to this write up: Developed by the MatterHackers Engineering Team - the Punching Machine gives your printer the ability to remove the printed part from the bed without any human interaction. See it in action Here: - Printing Recommendations - All parts were printed with MatterHackers Pro Series PLA. Recommended Print settings: - Layer Height: 0.2 mm Layers - Perimeters: 2 Perimeters - 30% Infill

Frequently asked questions

Is this 3D model free to download?: Yes. Automatic Print Ejector - The Punching Machine 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 MatterHackers.
Who made this model?: Designed by MatterHackers, 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.