Lithophane Gallery Panes

by MakerBobDesigns, published

Lithophane Gallery Panes by MakerBobDesigns May 4, 2013



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I was having trouble with the prints lifting at the corners when they are so large. Since helper disks won't work with lithophanes without messing them up, I made an option to add them to the original STL file. It also puts them under the hangers. Look for it in the slicing and printing tab.
Fixed hanger depth to 1/2 of total print.

UPDATE 5/30/13
I added the option of 1 or 2 lines of text in it's own pane along the bottom of the gallery. You can select the spacing, font, height, and shade of the finished letters. See new instructions for special character use with write.scad.
I also fixed some minor bugs with differences and the height of the finished photo portion.

UPDATE 5/24/13
tbuser fixed the customizer backend, and now this thing is working! I changed the way the hangers are laid out, and made different tabs for images for the upper and lower rows.

This is an update to the thing published by MichaelAtOz - http://www.thingiverse.com/thing:78719
It allows you to input up to 8 images and arrange the layout of the panes in the gallery. You can choose the border width, hanger size, and the row and column layout for your pictures. The panes are about 50mm square, with two rows and four columns possible. With all eight panes, it should fit onto a standard Replicator bed.


UPDATE 5/30/13
Special characters in the write.scad portion of this thing can be used in the following way:
The double quote (") can be inserted by using one single quote (')
A single quote apostrophe (') can be inserted with the backtick (`) next to the number 1 on standard windows keyboard.
The backslash \ can be inserted using a pipe (|) Shift backslash on standard windows keyboard.

I like to use MS Paint (I know, you thought it was not good for anything!). I resize a picture to about 200 pixels (be sure to check the Maintain Aspect Ratio box). Then, I crop it while looking at the bottom information bar until it is where I want and also a square. Then resize again to 100x100 and save with a different name.

It helps to use pictures that are similar in tone, like school pictures, or pictures that all have about the same amount of light. In the example picture, the center photo was a light black and white photo, and the outer ones are school pics.

Load pictures into slots 1-4 for the top row, and 5-8 for the bottom row. You can have from 1-8 lithophane panes in your gallery. Don't forget to check the invert box on each picture!

Choose your border width, hanger size and number, and play around with your layout.

Be sure to set your slicing settings and use them when you set up the print.

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What do I need to download (libraries, etc) to use this locally?

It is working now 5/24/13! See the update for changes to the hanger portion of the code.

I haven't heard back from Tony yet. It still doesn't process.

Nice. Good to see we makers are challenging MakerBot resources...

This stuff is addictive, I'm sure it was psycho-tuned to sell more filament.

I am still proud of myself for getting the panes to layout properly, even if the back end won't process. I am still pretty new to OpenSCAD.

It seems that this was not a great thing to publish in the middle of the night. Customizer is having trouble with multiple images. Maybe this idea is ahead of it's time. I will keep testing and repost when I can get it to make files without error. Sorry!

Maybe try different filenames?


image_file = "image-surface2.dat"; // [image_surface:100x100]


Tried that, and no good. The thing that doesn't make sense, is that the images are displaying correctly while you customize the thing, and only fail when you try to process the STL. Very frustrating. I tested this thing extensively before publishing it, but I never actually had an STL made. I ASSUMED that when the images were visible, everything would work fine. Doh!