A pyramid should/might work if your starting piece is one of the sides.
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@seth1 is apparently an origami expert, you could try asking him real nicely for some advice.
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There was this thread on dyed wool and polyester felt where smcgathyfay tested both.
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Why thank you!
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I remember now, thanks! My poor brain canāt seem to keep up with the info barrageā¦
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Well, Iāll be making my wife custom sunglasses for sure.