Day 50 of PyraPOD4 G-17 Backyard DIY: massive amount of bubble foam with a large fan

Test after aluminum collars were welded by Tim Allen and other things done properly after playing with plastic collars and rings.

Tim Allen's website: https://www.downtothewirewelding.com
My website: https://pyrapod.com

Thanks again for Richard Nelson's wonderful guidance to make every step smooth and problem free!