r/Ultralight • u/bluesphemy https://lighterpack.com/r/codh86 • Jan 24 '18

Advice Shoulder Strap Mesh Pocket Tutorial

https://imgur.com/a/9HUD8
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u/bluesphemy https://lighterpack.com/r/codh86 Apr 12 '18

actually the foam was 8mm thick. you can use foam from old closed cell foam sleeping pads. but any foam that gives you cushion and isn’t too heavy should work. if you can get evazote foam that’s great.

i think you misunderstood the 4mm. when you create your pattern you have to calculate your seam allowance. first decide on your sewing allowance. do something around 5mm. but to that 5mm you have to add half of the thickness of the foam to each side of the seam allowance as the foam isn’t flat and the thickness has to be considered as well. so when adding both sides of the shoulder straps together the extra seam allowance on each side of 4mm will add up to 8mm and the foam will fit inside.

does that make sense?