Our Debut Design – Arduino GPRS Shield

hi there :grin:
We have made an GPRS/GSM shield compatible with the official one on through-hole components.
Because we improved the Basic parts that "Female Lengthen Headers" of arduino, so we replace the old way that using female headers and male header to weld,and than we using single row stack.
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out of curiosity, what text size are you using on your PCB silkscreen?