I think it depends on how your faux suede is made, and the quality and sharpness of the punching tool...
As with real leather and quality punchers, you can make sharp and fine shapes.
Most fake leather/suede is knit based, which might fray when punched. Maybe starching helps to prevent that, and/or (i'm not sure what it's called in english, the sort of iron on paper that is used in embroidery or quilting... it's quite inexpensive, sort of paper you iron on behind the fabric, which you can just peel off after the embroidery or in this case, punching)
I think the punching tools should be the kind you need a hammer to work with, like a steel/metal shape, the sort of paper punchers are not sharp enough to work with fabrics. I'm sorry I'm really bad at explaining and lack the english vocabulary... maybe even if you have small steel cookie cutter, if you can bend one to the shape you want(or even find suitable in a kitchen ware/cake decor supplier), place it over the fabric and sharply hit with a hammer?
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As with real leather and quality punchers, you can make sharp and fine shapes.
Most fake leather/suede is knit based, which might fray when punched. Maybe starching helps to prevent that, and/or (i'm not sure what it's called in english, the sort of iron on paper that is used in embroidery or quilting... it's quite inexpensive, sort of paper you iron on behind the fabric, which you can just peel off after the embroidery or in this case, punching)
I think the punching tools should be the kind you need a hammer to work with, like a steel/metal shape, the sort of paper punchers are not sharp enough to work with fabrics.
I'm sorry I'm really bad at explaining and lack the english vocabulary... maybe even if you have small steel cookie cutter, if you can bend one to the shape you want(or even find suitable in a kitchen ware/cake decor supplier), place it over the fabric and sharply hit with a hammer?