GRAMiPhone - iPhone 6 Gramophone Horn 3D printable model by brycelowe

GRAMiPhone - iPhone 6 Gramophone Horn

Source: Thingiverse by brycelowe

The GRAMiPhone - iPhone 6 Gramophone Horn is a free printable 3D model from Thingiverse by brycelowe. This passive amplifier horn will amplify your phone's speaker without power. You can download the STL file from the original listing below and print it at home.

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447 saves Source: Thingiverse Updated 2026-04-18

Tags: GRAMiPhone, -, iPhone, 6, Gramophone, Horn

About this model

This passive amplifier horn will amplify your phone's speaker without power. The horn profile is based on a Western Electric exponential horn. The horn is 7.5" long and press fits into the base. I added 0.010 clearance for the phone but when it printed it was still a tight fit. Update Jan 5, 2016: I've modified the base to be friendly to printing without supports. There is still a round tube inside that may give problems without support. This depends on your printer's ability to print overhang layers. I've also increased the clearance for the phone so it's not so tight. The new base file name is signified by REV 2.

Frequently asked questions

Is this 3D model free to download?
Yes. GRAMiPhone - iPhone 6 Gramophone Horn is free to download from Thingiverse. Click the "Download free STL" button 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 brycelowe.
Who made this model?
Designed by brycelowe, 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.

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