<div dir="ltr">Is diffusing the hot spot a concern? There are lots of cheap materials that will work well projected from the rear but diffusing the hot spot is what costs the money. If you are not concerned about a hot spot my favorite material is tobacco cloth either natural or sprayed with diluted black paint. Unfortunately it only comes in 60-72 inch widths. <br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>---------------------------------------------------------------------------------<br></div><div>Kim Hartshorn</div><div><br></div><div><br></div></div></div></div></div></div>
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