Rich food.
Some interesting links, in the light of the Theosophical presentation of thoughtforms, relation to yantra/mandala (and their potential effect on consciousness), and keys to energic as well as material structure.
I am a decorative artist and so that is my tangent and interest with this material. But because of the multivalent nature of symbols: these forms, figures and fields will likely bond with you differently.
The work of the MERU Foundation
www.meru.org
The work of Robert Gray (and also his collaboaration with Lynnclaire Dennis and their work to understand her near death experience)
http://www.rwgrayprojects.com/
http://www.rwgrayprojects.com/Lynn/Lynn01.html
The artist Hilma Af Klint
http://www.kunskapskonsult.com/eng/default.htm
... and the remarkable Emma Kunz
http://www.emma-kunz-zentrum.ch/e/index_e.html
Just a glimpse of the tip of the iceberg.
Please review and respond if inclined.
Be prepared for a mind bomb.
Peace,
-- M