Focusing screen for Fat Shot X
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A part that is mounted in place of the cassette to frame and focus the shot
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Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Photo & Video
- Licencja
- Creative Commons — Attribution
Recent updates
2026-02-23: Fixed mistakes in the model. Uploaded new versions of both front and rear parts.
2025-02-12: Added flat sections on the curved front face of the "FSX Focusing Screen Rear" for a purpose of attaching decals with a shift scale there. Removed flat sections on the sides of the same model.
Summary
This is a focusing screen with ground glass for the Fat Shot X film camera to aid in framing and focusing the shot:
Assembled model have almost the same dimensions as the Nintendo Switch Lite and this was the plan from the beginning. Travel cases for this console are cheap and widely avaliable and are a perfect use for this screen to protect the glass when not in use.
The notches under the glass correspond to the edges of formats 6x14, 6x12, 6x9 and 6x6:
BOM
190x64 mm ground glass. Any thickness up to 3 mm is OK.
Heat set inserts:
M3x5x5 - x6
M4x6x6 - x2
Screws (ISO 7380, button head):
M3x8 - x4
M3x16 - x2
Ground glass have to be custom made, of course.
Printing
I designed this model for PETG but any other plastic of any color can be used. No particular requirements for nozzle size or layer height also. I recommend 0.6 mm nozzle with 0.25 mm layer height as this is what this model has been designed for.
FSX Focusing Screen Rear have a slight curve that will result in a strange layer stepping on top of the model that can throw you off if you don't expect it. This is normal and expected. The curve is the same as what can be seen on the cassette and it's needed for the part to press evenly against the felt on the lens cone.
All models have flat faces that should be placed on a build plate. Models are designed to be printed in this exact orientation so there will be no overhangs, only bridges. If you stumble upon overhangs, then you've placed the model in the wrong orientaiton.
Assembly
Install 6 M3x5x5 heat set inserts into these holes in the clamps and the FSX Focusing Screen Front.
Install 2 M4x6x6 heat set inserts into these holes in the FSX Focusing Screen Rear.
Use 4 M3x8 screws to screw together front and rear parts of the frame.
Place the ground glass in this space with the ground side facing inward.
Secure the glass using the supplied clamps, screwing them in with M3x16 screws from the back side.
Place shift scale decals on the flat sections of the front face with '0' mark lined up with the edge of the part:
