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<blockquote data-quote="Radioflyer97" data-source="post: 2566995" data-attributes="member: 572356">Both LED&#039;s and cathodes produce very little heat (and in fact are cool to the touch even after having been running for hours) so melting the plexi isn&#039;t somthing to be concerned about.Most LEDs have a very narrow projection angle because of the rounded tip. For this reason i suggest using a dremel cutoff wheel to cut the rounded tip off of the LED itself. This will spread out the projected light pattern giving your better lighting.I haven&#039;t had any hands on experience with LEDs and etching but i assume the principle would be the same as a cathode.this an example of a cathode and a plexiglas with etching:<img src="http://i27.photobucket.com/albums/c200/radioflyer1986/CIMG0816.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />the cathode is hidden behind the mounting surface but sits against the edge of the plexiglass (mounted from the back). In hindsight, using LEDs would have been easier, but i felt mounting cathodes was easier and less expensive.</blockquote>

[QUOTE="Radioflyer97, post: 2566995, member: 572356"] Both LED's and cathodes produce very little heat (and in fact are cool to the touch even after having been running for hours) so melting the plexi isn't somthing to be concerned about. Most LEDs have a very narrow projection angle because of the rounded tip. For this reason i suggest using a dremel cutoff wheel to cut the rounded tip off of the LED itself. This will spread out the projected light pattern giving your better lighting. I haven't had any hands on experience with LEDs and etching but i assume the principle would be the same as a cathode. this an example of a cathode and a plexiglas with etching: [IMG]http://i27.photobucket.com/albums/c200/radioflyer1986/CIMG0816.jpg[/IMG] the cathode is hidden behind the mounting surface but sits against the edge of the plexiglass (mounted from the back). In hindsight, using LEDs would have been easier, but i felt mounting cathodes was easier and less expensive. [/QUOTE]

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