| Project by Arbo | posted 970 days ago | 2067 views | 1 time favorited | 12 comments | ![]() |
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I make lithophanes, which ‘come to life’ when they are back lit, either by a light box or by the sun (ie hanging in a window). So I needed to design and make a light box for my 8×10 lithophanes.
I drew up a box, and went to a friends fathers workshop and he showed me how to cut everything up, and we built a ‘test’ box. There were some things I did not like about it, so I changed it up a bit and came up with this.
I bought enough alder to make 4 boxes, and went by his dad’s workshop to ‘borrow’ his equipment, and managed to cut out everything I needed. Then came home and started assembling them.
It’s about 15” x 13” and 3 3/4 deep. The displayable area is 7.5×9x5 (to provide a ledge inside the box for the lithophane to be attached to).
Once the box was together I installed the lights on the back panel, and cut a hole in the side where I could mount my power jack and on/off switch.
I have no doubt anyone here could make a better one, but I’m happy with my first real ‘woodworking’ project.
-- Paul, http://www.coriannslithos.com
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12 comments so far
rivergirl
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3197 posts in 1036 days
#1 posted 970 days ago
They look great to me! Now I have to look up the work lithophanes and learn about that. :) Okay I’m back. Do you carve your lithophanes in wax and then pour plaster of paris and then pour it in procelain? That is an incredible creation!
-- Homer : "Oh, and how is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain."
Arbo
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#2 posted 970 days ago
No, they are actually cut out of corian. Great stuff, cuts like butter. And not as delicate as porcelain would be when that thin (low spots (ie white)) are only .04” thick.
-- Paul, http://www.coriannslithos.com
rivergirl
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3197 posts in 1036 days
#3 posted 969 days ago
Corian? LIke the kitchen counter stuff? And then you carve those pictures into it? Do you think you could post a close of picture of the duck? I find this so interesting!
-- Homer : "Oh, and how is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain."
Arbo
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#4 posted 969 days ago
Yep, the kitchen counter stuff.
Here is an up close of the face:
And at an angle without the light on to see what the surface looks like:
-- Paul, http://www.coriannslithos.com
rivergirl
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3197 posts in 1036 days
#5 posted 969 days ago
Wow- I can’t imagine how you would begin to know how to carve that in 3 dimensions. Do you have to use a caliper to measure the hills and valleys?
-- Homer : "Oh, and how is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain."
Arbo
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75 posts in 1017 days
#6 posted 969 days ago
Oh no, no calipers… no super hard thinking. It’s a matter of going from a color photo to gray-scale, then there is software that converts different levels of ‘dark’ to different thicknesses. Major respect goes out to those artists long ago that could carve such a thing by hand to make a mold to pour porcelain into.
-- Paul, http://www.coriannslithos.com
jm82435
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#7 posted 968 days ago
If that wasn’t explained well enough, it was machine carved (CNC). They look great, what software do you use to generate the G-code?
-- A thing of beauty is a joy forever...
a1Jim
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#8 posted 968 days ago
These are so unique well done
-- W James Brokenbourgh Custom furniture maker http://artisticwoodstudio.com/
Arbo
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#9 posted 968 days ago
Thanks.
A small software package called bmp2cnc. It’s sole purpose is making a ‘depth map’ of sorts out of a gray scale image.
-- Paul, http://www.coriannslithos.com
rivergirl
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3197 posts in 1036 days
#10 posted 968 days ago
It is so interesting that 2 very unique projects made with CNC technology were posted this week. I am glad for the coincidence because it demonstrates the variety of things that can be made with this technology by skilled artisans. :)
-- Homer : "Oh, and how is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain."
nigelkdx200
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#11 posted 799 days ago
Hi Arbo, do you know how bmp2cnc compares to Vectric PhotoVCarve?
Later on I’ll do some lithophanes however to start with I’ll predominantly do timber/mdf based projects.
Arbo
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#12 posted 798 days ago
bmp2cnc does fine for lithophanes. I believe you can do them with phtovcarve, but that one let’s you do other sorts of things where bmp2cnc doesn’t (that etched in photo look).
-- Paul, http://www.coriannslithos.com
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