All fabrics were tested in a black chamber with an incandescent light source at one end and the fabric positioned 2/3 of the way between the source and the digital light meter.
Custom sizes available. 6'x6' Butterflies measure approximately
5'8"x5'8".
12'x12' butterflies measure approximately 11'8"x11'8".
20'x20' butterflies measure approximately 19'8"x19'8".
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