Tried using Blender.

It's been a REAL challenge as there doesn't seem to be much
on the subject of text on polyhedra other than by texture,
which, 3D Printed, leaves only the option of sandstone printing.
Not very durable.

Not to mention that it's LARGE and hasn't passed ANY printability
OR repair tests yet.

As you can see from the image below, it's not that complex.

Tried this:

http://blender.stackexchange.com/questions/28829/set-edge-as-axis-for-surface-rotation

as a starting point.  Thickened the edges.  Added the text.  Put it all
together, and voila!  Mush!

Looks nice.  Won't print.

There's this by the GREAT, and I use that word deliberately,
Kit Wallace:

http://kitwallace.tumblr.com/post/84238290024/adding-text

but, for me, it's just not clear.

What I don't know about Openscad is a far greater chasm
than what I know.  So, please, bear that in mind.

I'm guessing, if it's to be done at all, in a remotely printable
format, my best option might be through Openscad.  But, I
have no idea how to begin.

Anyone?

Thanx

12_Days_Dodec_JPG.jpg
http://forum.openscad.org/file/n15409/12_Days_Dodec_JPG.jpg

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I can't tell you this is the specific answer, but it might be of use. I'm a simpleton when it comes to OpenSCAD, but this set of modules perhaps might be helpful?
https://github.com/brodykenrick/text_on_OpenSCAD

On Friday, January 1, 2016 4:42 PM, unkerjay <unkerjay@centurylink.net> wrote:

Tried using Blender.

It's been a REAL challenge as there doesn't seem to be much
on the subject of text on polyhedra other than by texture,
which, 3D Printed, leaves only the option of sandstone printing.
Not very durable.

Not to mention that it's LARGE and hasn't passed ANY printability
OR repair tests yet. 

As you can see from the image below, it's not that complex.

Tried this:

http://blender.stackexchange.com/questions/28829/set-edge-as-axis-for-surface-rotation

as a starting point.  Thickened the edges.  Added the text.  Put it all
together, and voila!  Mush!

Looks nice.  Won't print.

There's this by the GREAT, and I use that word deliberately,
Kit Wallace:

http://kitwallace.tumblr.com/post/84238290024/adding-text

but, for me, it's just not clear. 

What I don't know about Openscad is a far greater chasm
than what I know.  So, please, bear that in mind.

I'm guessing, if it's to be done at all, in a remotely printable
format, my best option might be through Openscad.  But, I
have no idea how to begin.

Anyone?

Thanx

12_Days_Dodec_JPG.jpg
http://forum.openscad.org/file/n15409/12_Days_Dodec_JPG.jpg 

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OpenSCAD mailing list
Discuss@lists.openscad.org
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org

I recently "fixed" the "deprecated use of assign statement" in that lib and
my pull request got accepted but I broke the TTB, BTT options he had added.

It works pretty well though and uses the new text() statement.
I need to try to fix that. its all in those nested if conditionals I think.

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submitted new pull req - rotate on circle and cylinder cases fixed.

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To use as a dice and have the numbers opposite each other sum to 13 you'll
need to change to:
strings = ["1", "2", "3", "4", "5", "6.", "12", "11", "10", "9.", "8", "7"];

To make the text a little smaller (default size=10). use the size parameter
(or make the dodec bigger).
E.g.
text(strings[i+6],halign = "center", valign = "center", size=8)

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Here's what worked (sort of).

Thank you SO MUCH for this!

Haven't tried decreasing the text size.

First thing I tried, even before seeing
your reply, was to increase the dodec
size.

How would I do multiple lines of text.

strings = ["Partridge", "2 T-Doves", "3 F-Hens", "4 C-Birds", "5 G-Rings",
"6 Geese", "7 Swans", "8 Maids", "9 Ladies", "10 Lords", "11 Pipers", "12
Drummers"];

dodekaeder(50);

module dodekaeder(r = 50)
{
w = acos(1/sqrt(5));
rotate([0, 0, 180])
twosides(r, 0);
for(i=[0:4])
rotate([0, -w, i*72])  // tricky!
twosides(r, i+1);
}

module twosides(r=1, i=1)
{
h = r*2.618;
linear_extrude(height = h, twist = 36, center = true) // tricky twist
circle(r, $fn=5);

// text for upper and lower surface
translate([0, 0, h/2])
linear_extrude(height = 1)
text(strings[i],halign = "center", valign = "center");
rotate([0, 180, 0])
translate([0, 0, h/2])
linear_extrude(height = 1)
text(strings[i+6],halign = "center", valign = "center");
}

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Final Version (including text resize):

A little tweaking in Netfabb Basic and
it's good to go!

Thank you!

strings = ["Partridge", "2 T-Doves", "3 F-Hens", "4 C-Birds", "5 G-Rings",
"6 Geese", "12 Drummers","7 Swans", "8 Maids", "9 Ladies", "10 Lords", "11
Pipers"];

dodekaeder(40);

module dodekaeder(r = 40)
{
w = acos(1/sqrt(5));
rotate([0, 0, 180])
twosides(r, 0);
for(i=[0:4])
rotate([0, -w, i*72])  // tricky!
twosides(r, i+1);
}

module twosides(r=1, i=1)
{
h = r*2.618;
linear_extrude(height = h, twist = 36, center = true) // tricky twist
circle(r, $fn=5);

// text for upper and lower surface
translate([0, 0, h/2])
linear_extrude(height = 1)
text(strings[i],halign = "center", valign = "center", size=6);
rotate([0, 180, 0])
translate([0, 0, h/2])
linear_extrude(height = 1)
text(strings[i+6],halign = "center", valign = "center", size=6);
}

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You could make the text into lists of two strings, implying two lines.
Then print one under the other using two translate/text statements ?

Or use a more complex method where you parse the text, separating by spaces,
and then scale the whole thing to fit.
But I think you only need a special puropse one-off solution so I'd go with
my first suggestion.

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strings = [["Partridge"], ["2","T-Doves"], ["3","F-Hens"], ["4","C-Birds"],
["5","G-Rings"], ["6","Geese"], ["12","Drummers"],["7","Swans"],
["8","Maids"], ["9","Ladies"], ["10","Lords"], ["11","Pipers"]  ];

t_height = 8;

dodekaeder(40);

module dodekaeder(r = 40)
{
w = acos(1/sqrt(5));
rotate([0, 0, 180])
twosides(r, 0);
for(i=[0:4])
rotate([0, -w, i*72])  // tricky!
twosides(r, i+1);
}

module twosides(r=1, i=1)
{
h = r*2.618;
linear_extrude(height = h, twist = 36, center = true) // tricky twist
circle(r, $fn=5);

// text for upper and lower surface
translate([0, t_height, h/2])
linear_extrude(height = 1)
text(strings[i][0],halign = "center", valign = "center", size=t_height);
translate([0, -t_height, h/2])
linear_extrude(height = 1)
text(strings[i][1],halign = "center", valign = "center", size=t_height);
//
rotate([0, 180, 0]) {
translate([0, t_height, h/2])
linear_extrude(height = 1)
text(strings[i+6][0],halign = "center", valign = "center", size=t_height);
translate([0, -t_height, h/2])
linear_extrude(height = 1)
text(strings[i+6][1],halign = "center", valign = "center", size=t_height);
}
}

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