Acronym  tridex 
Name  triicositetradiminished hexacosachoron 
Circumradius  (1+sqrt(5))/2 = 1.618034 
Dual  bidex 
Confer 

External links 
This one can be obtained by chopping off the 72 vertices of an ex, which correspond to 3 vertexinscribed ficoes. In fact 72 ikepy are to be cut off. But in contrast to sadi those ikepy would intersect here, resulting in bitdi cells instead, which also show up some fsized edges. – Tridex likewise can be obtained from sadi by chopping off the 48 vertices of 2 further vertexinscribed ficoes, or from bidex by diminishing at those of 1 such. For more details cf. here.
48  3 3 2  6 9  9 : verf = titdi +++ 2  72 * *  3 2  5 : xedges 2  * 72 *  1 2  3 : fedges: trigontotrapezium + trigontoanitialigned trigon 2  * * 48  0 3  3 : fedges: trigontopara trigon +++ 4  3 1 0  72 *  2 : xf&#x 3  1 1 1  * 144  2 : ox&#f +++ 6  5 3 2  2 4  72 : bitdi
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