Create a tower frame with a Icosahedron How can I create a multi-sided geometric (geodesic) polyhedrons, specially a Icosahedron.  Using this for a tower frame construction.

friendly regards

Jos
In Edit > Preferences > Add-Ons, enable the shipped add-on 'Mesh: Extra Objects'. 

Then it's ShiftA > Mesh > Math Function > Regular Solids.. and in the creation panel dropdown, 'Icosaohedron'.