68 lines
3.4 KiB
Markdown
68 lines
3.4 KiB
Markdown
# contact printer
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A desktop 16mm contact printer and film transport platform made using 3D printing and aluminum extrusion.
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## [Project Home: git.sixteenmillimeter.com/16mm/contact_printer](https://git.sixteenmillimeter.com/16mm/contact_printer)
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## Acknowledgements
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Developed with support from [Filmwerkplaats at WORM](https://worm.org/spaces/filmwerkplaats/) and [SPECTRAL](http://www.spectral-cinematics.eu/).
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Special thanks to [Esther Urlus](https://estherurlus.hotglue.me/), [Hrvoje Spudić](https://hrvojespudic.net/) and [Nan Wang](https://nanwang.org/).
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Magnetic clutch design inspired by Clyde Shaffer's [Shaffer Linear Processor](https://clydeshaffer.com/slp/).
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---
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## Description
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This contact printer is designed to make 16mm prints using affordable electronics and 3D printing.
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It is *not* intended as a replacement for professional printers like the Bell & Howell Model C.
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This project is for DIY filmmakers, independent artists and small film labs to have a machine that can produce reasonable-quality work prints with a small footprint on short lengths of film easily.
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---
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---
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# Examples
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[Contact](https://vimeo.com/flashfra/contact?share=git) the first print made on the prototype during a residency at [Filmwerkplaats](https://filmwerkplaats.org/).
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Soundtrack applied by the opt_snd soundtrack recorder system by [Hrvoje Spudić](https://hrvojespudic.net/optical-sound-2).
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# Bill of Materials
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Below are estimates based on per-unit costs found online.
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Actual price of a full build may be higher.
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<!-- bom -->
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| Part | Qty | Cost (USD) | Minumum |
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|-------------------------------------|------|------------|---------------------------------------------|
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| M4 hex bolt 40mm | 4 | $2.44 | [10 for $6.09](https://amzn.to/4ikpYL8) |
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| M3 sliding t slot nut | 25 | $1.43 | [105 for $5.99](https://amzn.to/48GRrSU) |
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| M3 hex cap bolt 8mm | 25 | $2.25 | [100 for $8.99](https://amzn.to/3YEvWNB) |
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| M3 hex cap bolt 6mm | 8 | $0.59 | [100 for $7.26](https://amzn.to/3AwiZxo) |
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| M3 hex cap bolt 12mm | 1 | $0.09 | [100 for $8.36](https://amzn.to/48CGa5Y) |
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| L298N Motor driver module | 1 | $2.88 | [4 for $11.49](https://amzn.to/4ellssy) |
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| ESP32 GPIO breakout board | 1 | $6.00 | [2 for $11.99](https://amzn.to/3UFjpbO) |
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| ESP32 Dev board | 1 | $6.67 | [3 for $19.99](https://amzn.to/3NXCvGj) |
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| 608-RS Ball Bearing | 1 | $0.18 | [100 for $17.79](https://amzn.to/4fKxDA7) |
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| 250RPM DC geared motor | 2 | $29.98 | [1 for $14.99](https://amzn.to/3NWkcRL) |
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| 2020 Aluminum extrusion mm | 1880 | $11.41 | [12200 for $73.99](https://amzn.to/418OicC) |
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| 100RPM DC geared motor with encoder | 1 | $16.19 | [1 for $16.19](https://amzn.to/3UF707G) |
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|---------|------|--------|---------|
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| TOTAL | 1950 | $80.11 | $203.12 |
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<!-- /bom -->
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### Mirrors
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* [github.com/sixteenmillimeter/contact_printer](https://github.com/sixteenmillimeter/contact_printer)
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* [gitlab.com/16mm/contact_printer](https://gitlab.com/16mm/contact_printer)
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