small_bolex_matte_box/README.md

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# Small Bolex Matte Box
This is a design for a small matte box for Bolex cameras.
It's a preliminary attempt at making a simple matte box for holding filters in front of a lens.
Attaching to the hot shoe mount on top of Rex-series Bolexes, this relies on a [rectangular brass tube](https://ksmetals.com/products/brr014-3-16x3-8) as a rail to hold the matte box.
It expects a 3/8" x 3/16" (4.75mm x 9.5mm) profile for this rail.
There is also a printed version of the tube included as an 3D-printable STL file.
The hot shoe mount + rail design was also adapted by [Lindsay McIntyre](https://tinymovingpictures.com/) to hold an [alternate matte box](./stl/small_bolex_matte_box-4x5.5_cards.stl) for use with 4x5.5 inch cards.
## Small Bolex Matte Box
![Small Bolex Matte Box](./img/small_bolex_matte_box.jpg)
## Hot Shoe Mount
![Hot Shoe Mount](./img/small_bolex_matte_box_hot_shoe_mount.jpg)
## Insert
![Insert](./img/small_bolex_matte_box_insert.jpg)
## Card Matte Box by Lindsay McIntyre
![Card Matte Box by Lindsay McIntyre](./img/small_bolex_matte_box-4x5.5_cards.jpg)