OpenForge Magic Circle Tiles

by devonjones, published

OpenForge Magic Circle Tiles by devonjones Feb 6, 2014
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This set contains 2 magic circle floor tiles, and those same floor tiles half surrounded by a circular wall. This was created for my Rise of the Runelords campaign, specifically for Skull Crossing in the module The Hook Mountain Massacre. These tiles are designed to fit with the Smooth Edge Tile Series.
The full scene picture uses a mix of OpenForge tiles and Dwarven Forge tiles.
OpenForge floor tiles are designed to be compatible with Dwarven Forge dungeon tiles. Compatible tiles/walls in this series are tagged with OpenForge
You can find this set on github
OpenForge Sets

OpenForge is now a patron supported project. I use the resources that my patrons give me in order to get the resources to let me create more sophisticated tiles with a greater level of detail. Please, support me, and I’ll deliver an ongoing stream of awesome gaming terrain. You can find more about OpenForge and Masterwork Tools at our website, at our forums, or on twitter and facebook.


  1. Printed in black
  2. Painted stone areas as per usual process
  3. Mixed green and yellow to ink into the lines
  4. Added some blue to ink the lettering
    I was fighting my printer on some quality issues at the time, so the lettering is a bit rough in my print, but if your printer is well calibrated you should be able to get a good result.

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Dec 9, 2015 - Modified Dec 9, 2015

I am new to 3d printing and wanted to know if there was a way to cut the floor tile (the one without walls) up. I would like to print the circle part (with the carvings) separately. I would like to print the rest of the tile at a higher infill then the circle and then glue all the parts together afterwards. Can someone do this for me?

So this is relatively easy in blender. Here's what all you would need to do:

1) Start up blender.
2) Add->Mesh->Cylinder
3) On the left hand side, set radius to 48, verticies to maybe 200 and depth to say 15
4) click on the orang cube on the right hand side, which lets you move and scale objects.
move Z to 5
X to 50
Y to 50

Import the magic circle tile. The cylinder should line up just inside the ring.
file -> import -> stl, find the file.

now to cut. Left click on the magic circle on the right hand tree. hover your mouse over the main view port, ctrl-c ctrl v to copy and paste it (might be different on a mac, maybe cmd)

on the lift side, select the wrench

Add Modifier -> Boolean
select difference then select the cylinder and finally hit apply.

Now select the copy of the magic floor

Add Modifier -> Boolean
select intersection then select the cylinder and hit apply.

Use File -> Export -> stl to save both out.

You may want to scale the interior down to like 99.9 in your slicer, because there's no extra room between the two to fit them in between each other. Or you can sand/cut it to size with a knife. Optionally you could make two cylinders, and make the interior one be 0.1 smaller (or 0.2, depending on your printer.)

I've added the results of this tutorial to the object here, but I suggest trying it.

Dec 10, 2015 - Modified Dec 10, 2015
Tarrenel - in reply to devonjones

Thank you for explaining how to do it. I am going to try and do it through blender. The only thing is, is I want to just cut out the circle part that has the letters (two circles on the one tile). So on the one tile with only one circle with letters I would have the exterior part, the circle with the letters, and then the center part. I then would glue the three pieces together with something underneath. My plan is to print the letter circle with like 10% infill and put LED lights inside to light up just the circle part.

EDIT: Thanks I did it. I got it the way I was looking for.


When you have it all working, I want to see pictures :-)

Fantastic ty love this :)

Any reports of problems with slicing this? I am using the latest slic3r release. It pegged the cpu but I let it run over night and it never finished. I don't think it is a poly count problem since the big 4x4 stone edge wall tile sliced in about 15 minutes.

Great series thanks for sharing them

Weird. I use slic3r too and I havn't had any problems. I'll update to latest and see if I have an issue. I have noticed that some settings with slic3r can cause certain objects to take /way/ more time to slice.

Thanks - I'll tweak a few settings and see if that helps.

I had to do it in Cura. Slic3r wanted nothing to do with it.

I've learned a lot since doing this tile. At some point I'll recreated it using better techniques.

What color you use ?For final result

I pretty much always print these in black or natural pla (but if I print in natural, I do a black coat of paint). That helps me give them texture when I do the pain job.