i got a sheet 24" x 48" 1/4" Thick<br />
and then cut it up<br />
here is the place i got it from<br />
<br />
<a target=_BLANK href="http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=72&product%5Fid=10369&MSCSProfile=95385A1F52DEA1A229D5B37542054464DD04101E86F208ACB794B0B4430BACE3236A1D3C8FB049908799EB66F0099909B90BDCFF2BBE4F1303D85F0D5D6A85C2CEF2927DE3055C3DFB626E8A62D88B33CBE67C8CD2F693954F11B431D4260F126F2D6BEA7106F1A6B3108AE31EEEC6D596AECDB3A0620078CF425EB640CFEB1EB6A05049F6068195">http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=72&product%5Fid=10369&MSCSProfile=95385A1F52DEA1A229D5B37542054464DD04101E86F208ACB794B0B4430BACE3236A1D3C8FB049908799EB66F0099909B90BDCFF2BBE4F1303D85F0D5D6A85C2CEF2927DE3055C3DFB626E8A62D88B33CBE67C8CD2F693954F11B431D4260F126F2D6BEA7106F1A6B3108AE31EEEC6D596AECDB3A0620078CF425EB640CFEB1EB6A05049F6068195</a>