Create a recess that nearly traverses the wood












2















I would like to start with a box-shaped piece of hardwood and make a (probably cylindrical) recess in it that nearly traverses the wood, leaving only a very, very thin, uniform layer of wood on the far side. Like this:



enter image description here



The thickness of the thinnest part should be similar to veneers.



Is this achievable with a forstner bit? If so what type? Any special setup?



An alternative: leaving a thicker floor in the recess then planing from the opposite side.



Aside: the goal is, roughly, to make an electrical switchplate cover that has an area where the wood is thin enough to be translucent, such that LEDs could shine through, similar to the following (but maybe with only a single digit of <1in height).



Thanks



enter image description here










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  • A practical point to note is that regardless of whether you mill this from a single piece as you're asking about or though-drill a block and glue on a piece of veneer (a much less challenging and far faster method to achieve basically the same end) the wood overlaying the hole will be very delicate as-is. I would give serious thought to reinforcing from the rear if you have the internal space, e.g. with a layer of clear resin which won't interfere with light transmission.

    – Graphus
    1 hour ago











  • Unrelated to the how-to, have you selected the species you'd like to make this from yet?

    – Graphus
    1 hour ago
















2















I would like to start with a box-shaped piece of hardwood and make a (probably cylindrical) recess in it that nearly traverses the wood, leaving only a very, very thin, uniform layer of wood on the far side. Like this:



enter image description here



The thickness of the thinnest part should be similar to veneers.



Is this achievable with a forstner bit? If so what type? Any special setup?



An alternative: leaving a thicker floor in the recess then planing from the opposite side.



Aside: the goal is, roughly, to make an electrical switchplate cover that has an area where the wood is thin enough to be translucent, such that LEDs could shine through, similar to the following (but maybe with only a single digit of <1in height).



Thanks



enter image description here










share|improve this question







New contributor




lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





















  • A practical point to note is that regardless of whether you mill this from a single piece as you're asking about or though-drill a block and glue on a piece of veneer (a much less challenging and far faster method to achieve basically the same end) the wood overlaying the hole will be very delicate as-is. I would give serious thought to reinforcing from the rear if you have the internal space, e.g. with a layer of clear resin which won't interfere with light transmission.

    – Graphus
    1 hour ago











  • Unrelated to the how-to, have you selected the species you'd like to make this from yet?

    – Graphus
    1 hour ago














2












2








2








I would like to start with a box-shaped piece of hardwood and make a (probably cylindrical) recess in it that nearly traverses the wood, leaving only a very, very thin, uniform layer of wood on the far side. Like this:



enter image description here



The thickness of the thinnest part should be similar to veneers.



Is this achievable with a forstner bit? If so what type? Any special setup?



An alternative: leaving a thicker floor in the recess then planing from the opposite side.



Aside: the goal is, roughly, to make an electrical switchplate cover that has an area where the wood is thin enough to be translucent, such that LEDs could shine through, similar to the following (but maybe with only a single digit of <1in height).



Thanks



enter image description here










share|improve this question







New contributor




lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












I would like to start with a box-shaped piece of hardwood and make a (probably cylindrical) recess in it that nearly traverses the wood, leaving only a very, very thin, uniform layer of wood on the far side. Like this:



enter image description here



The thickness of the thinnest part should be similar to veneers.



Is this achievable with a forstner bit? If so what type? Any special setup?



An alternative: leaving a thicker floor in the recess then planing from the opposite side.



Aside: the goal is, roughly, to make an electrical switchplate cover that has an area where the wood is thin enough to be translucent, such that LEDs could shine through, similar to the following (but maybe with only a single digit of <1in height).



Thanks



enter image description here







technique






share|improve this question







New contributor




lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






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lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 4 hours ago









lcgerkelcgerke

111




111




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New contributor





lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






lcgerke is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.













  • A practical point to note is that regardless of whether you mill this from a single piece as you're asking about or though-drill a block and glue on a piece of veneer (a much less challenging and far faster method to achieve basically the same end) the wood overlaying the hole will be very delicate as-is. I would give serious thought to reinforcing from the rear if you have the internal space, e.g. with a layer of clear resin which won't interfere with light transmission.

    – Graphus
    1 hour ago











  • Unrelated to the how-to, have you selected the species you'd like to make this from yet?

    – Graphus
    1 hour ago



















  • A practical point to note is that regardless of whether you mill this from a single piece as you're asking about or though-drill a block and glue on a piece of veneer (a much less challenging and far faster method to achieve basically the same end) the wood overlaying the hole will be very delicate as-is. I would give serious thought to reinforcing from the rear if you have the internal space, e.g. with a layer of clear resin which won't interfere with light transmission.

    – Graphus
    1 hour ago











  • Unrelated to the how-to, have you selected the species you'd like to make this from yet?

    – Graphus
    1 hour ago

















A practical point to note is that regardless of whether you mill this from a single piece as you're asking about or though-drill a block and glue on a piece of veneer (a much less challenging and far faster method to achieve basically the same end) the wood overlaying the hole will be very delicate as-is. I would give serious thought to reinforcing from the rear if you have the internal space, e.g. with a layer of clear resin which won't interfere with light transmission.

– Graphus
1 hour ago





A practical point to note is that regardless of whether you mill this from a single piece as you're asking about or though-drill a block and glue on a piece of veneer (a much less challenging and far faster method to achieve basically the same end) the wood overlaying the hole will be very delicate as-is. I would give serious thought to reinforcing from the rear if you have the internal space, e.g. with a layer of clear resin which won't interfere with light transmission.

– Graphus
1 hour ago













Unrelated to the how-to, have you selected the species you'd like to make this from yet?

– Graphus
1 hour ago





Unrelated to the how-to, have you selected the species you'd like to make this from yet?

– Graphus
1 hour ago










1 Answer
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  1. This was almost certainly done by creating a through hole and then gluing veneer over it.


  2. A forstner bit won't work - the edges and lead point make for a not perfectly flat bottomed hole.


  3. If you don't want to go with option 1, in a home shop I would use a router/router table to get close to the finished depth, then plane away at the front surface to get to finished thickness.







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    1 Answer
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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3















    1. This was almost certainly done by creating a through hole and then gluing veneer over it.


    2. A forstner bit won't work - the edges and lead point make for a not perfectly flat bottomed hole.


    3. If you don't want to go with option 1, in a home shop I would use a router/router table to get close to the finished depth, then plane away at the front surface to get to finished thickness.







    share|improve this answer




























      3















      1. This was almost certainly done by creating a through hole and then gluing veneer over it.


      2. A forstner bit won't work - the edges and lead point make for a not perfectly flat bottomed hole.


      3. If you don't want to go with option 1, in a home shop I would use a router/router table to get close to the finished depth, then plane away at the front surface to get to finished thickness.







      share|improve this answer


























        3












        3








        3








        1. This was almost certainly done by creating a through hole and then gluing veneer over it.


        2. A forstner bit won't work - the edges and lead point make for a not perfectly flat bottomed hole.


        3. If you don't want to go with option 1, in a home shop I would use a router/router table to get close to the finished depth, then plane away at the front surface to get to finished thickness.







        share|improve this answer














        1. This was almost certainly done by creating a through hole and then gluing veneer over it.


        2. A forstner bit won't work - the edges and lead point make for a not perfectly flat bottomed hole.


        3. If you don't want to go with option 1, in a home shop I would use a router/router table to get close to the finished depth, then plane away at the front surface to get to finished thickness.








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        answered 2 hours ago









        aaronaaron

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