Teaching aid for basic geometry. Designed for a dual extruder printer. There is not any clearance for the letters to be printed separately and glued in place. There are two hemispheres. One half shows circumference, radius, and diameter. The other half shows area. The base is made of 4 sides that have the value of pi and a few formulas using pi. Print as follows, the + indicated a merge is needed in your slicer program: Area Half Sphere + Area letters CDR Half Sphere + CDR letters Pi Sphere Latch Pi Sphere stand top Pi Sphere stand base A Side + A letters V Side + V letters PI Side + Pi letters C Side + C letters The Base components will need to be glued and assembled. The latch is just to help retain the two hemispheres together while on the stand. Design files from Brink Effects are provided for your reference only. By downloading the files, you assume responsibility to verify the design for your use and safety. Brink Effects cannot control how the files are used; thus Brink Effects does not hold any liability for the use of the files. Use at your own risk. Remember to keep small objects away from children and pets. Be cautious of sharp edges.