Treolo is a 7" glue less holographic pyramid, easy to print and make, wonderful to see...
Update - Added pyramid base 2.0 version.
optimized quantity of plastic and open pyramid for objects insertion in animated scene.
Update 2 - Replaced file of pyramid base with a 2.1 version
Reinforced base and reducted diameter of columns (9.5 mm)
TreolONE - Single side version: http://www.thingiverse.com/thing:1136034