How to make a balloon column (By the way, there was a site that talked about the Italian convention, with some insight of the behind the scenes construction of the temple, and they described slightly how Chris constructed the columns (For some reason the site doesn't come up any more). He used 4 inch PVC drainpipe (attached securely to bases I assume, they didn't specifically say), covered them in two-sided carpet tape, then affixed the inflated 260's to the tape.
Very Easy DIY Balloon Stands for Balloon Columns $11 in total spent. Made this to decorate for my daughter's 3rd birthday. Balloon stands are a little over 5 feet each one. Valentine's Birthday 3rd birthday party Little Mermaid Birthday Party Balloons Balloon Base Balloon Stand Balloon Column
Replacementtablelegs.com - Cast Iron Decorative Table Base, 32"x32", 4-Leg, 28" Height, Cast Iron Column, Base and Spider Attachment, SINGLE , $115.97 (http://www.replacementtablelegs.com/cast-iron-decorative-table-base-32x32-4-leg-28-height-cast-iron-column-base-and-spider-attachment-single/)
Wish | 1 Set Balloon Column Base Stand Display Wedding Birthday Party DIY Decoration(Fast Deliver)