Hi,
I'm new at this so can't help much with the technical side, hope someone can though.
Noticed two things I would change, but saw only one typo. Well done.

Stencils are cut with laser from polistyrene sheets.
Stencils are laser cut from polystyrene sheets.

,available here only!
,only available here!

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All the best
Catherine
www.catherinebuchanan.com