Your Workroom
Making Bad.Az bags, one calculation at a time.
Units
Scale method
100% = original. 80% = smaller. 120% = larger.
Measurements
Lock any measurement that should not scale — seam allowances, hardware sizes, zipper lengths.
LabelOriginalScaled
Gusset length
Enter your panel measurements below. For irregular shapes, measure the perimeter and enter it directly in the circumference field above.
Circumference
Auto-populated in the circumference field above
Used to calculate the working gusset length from the circumference.
Added to the top and bottom of each zipper panel and bottom gusset where pieces are joined.
Gusset width
The finished depth of your bag once sewn — e.g. 3" means the completed bag will be 3" deep.
Left and right edges of zipper panels where they attach to the zipper tape.
Left and right outer edges of the assembled gusset where it attaches to the bag panels.
Your gusset cross-section
Strap type
Who are you making this for?
Body profile (check all that apply)
Petite
(5'3" and under)
(5'3" and under)
Tall
(5'9" and over)
(5'9" and over)
Busty
(full bust)
(full bust)
Plus size
Men / broad shoulders
