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Thread: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

  1. #21

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    Click image for larger version. 

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    Seems like a 4 slot insert is possible for 85mm diameter tank!

  2. #22

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    This is so neat.

  3. #23
    Paul Ron's Avatar
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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    85mm is the inside diameter... you should leave a couple mm for clearance... maybe make the final product 82mm?

    that looks perfect!

  4. #24

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    Insert with 82mm OD. Given that the insert is buoyant a spacer is used on top, and in the bottom to improve flow and ensure that the film sheets are submerged in the developer. The insert and 2x spacers displaces approx 220ml of fluid, thus expect to get 750ml of developer in there, i.e. Xtol 1+2 for 4 sheets are very doable. 3d files for printing
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    Quote Originally Posted by Paul Ron View Post
    85mm is the inside diameter... you should leave a couple mm for clearance... maybe make the final product 82mm?

    that looks perfect!

  5. #25

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    Dec 2006
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    Minnesota and Massachusetts, USA
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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    I assume this version is for the 3 reel tank. Has anyone tested the version for 4 sheets in a 2 reel tank? My son has a (low end) 3d printer coming; I hope to print one out.

  6. #26
    Paul Ron's Avatar
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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    i cant wait to give it a try. how tall is it?

  7. #27

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    Quote Originally Posted by Paul Ron View Post
    ..how tall is it?
    Insert is 130mm tall (just a bit over 5") and the spacer is 15mm, thus the entire stack is 160mm tall.

  8. #28

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    Love the concept...looks great! I do have a question about the top-to-bottom ridges in each compartment...are they smooth? (or do you smooth these after making them?) I ask this because sometimes it seems that 3-d printed items can have a bit of a "toothy" texture - and I'd wonder if this might cause excessive scratching on the film's base.

  9. #29

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    Quote Originally Posted by John Layton View Post
    Love the concept...looks great! I do have a question about the top-to-bottom ridges in each compartment...are they smooth? (or do you smooth these after making them?) I ask this because sometimes it seems that 3-d printed items can have a bit of a "toothy" texture - and I'd wonder if this might cause excessive scratching on the film's base.
    Thanks! It's a fairly smooth design, however you are quite right, I would recommend a light wet sanding of the film slots before the first usage to smooth away any 3d print "toothy" artifacts and textures.

  10. #30

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    Re: 3d printed 4x5 and 5x7 inserts for Paterson daylight tanks.

    Quote Originally Posted by John Layton View Post
    ...excessive scratching on the film's base.
    As opposed to just the right amount of scratching?

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