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re: The Empty Box
da-anks Scrap, Tony, Geroge, and Sir Alex!
George, LBD
The panel (about 1/4" thick) is flush with the top, the groove in the frame is 1/8" down so the edge of the panel was a saw cut rabbet around the edge. Almost a full depth fit into the groove top/bottom but a gap of about 1/8" on the sides (3/16" deep groove). Small tack of glue centered top/bottom to hold it centered but allow it to move sideways with humidity.
So, panel edge rabbeted, painted black and any paint on the top gets sanded away for that shadow line.
No Coiff LBD, it'd just scare any kids and catch the bottom on fire. Although, thinking about it, a large banner with my image mounted up high and glaring down at people might encourage customers to look, but not touch!
The entire bottom of the etch gets burned so I just blow away any loose ashes and leave the blackness to get entombed with the resin.
I recently did a focus test on my laser and found it stays quite focused for +/- 3mm or so. Thinking about these large fields of "black" area and I think I could actually defocus and crank the power a bit so it'd take a lower LPI in the cuts for the same result. At least it'd go faster!
George, LBD
The panel (about 1/4" thick) is flush with the top, the groove in the frame is 1/8" down so the edge of the panel was a saw cut rabbet around the edge. Almost a full depth fit into the groove top/bottom but a gap of about 1/8" on the sides (3/16" deep groove). Small tack of glue centered top/bottom to hold it centered but allow it to move sideways with humidity.
So, panel edge rabbeted, painted black and any paint on the top gets sanded away for that shadow line.
No Coiff LBD, it'd just scare any kids and catch the bottom on fire. Although, thinking about it, a large banner with my image mounted up high and glaring down at people might encourage customers to look, but not touch!
The entire bottom of the etch gets burned so I just blow away any loose ashes and leave the blackness to get entombed with the resin.
I recently did a focus test on my laser and found it stays quite focused for +/- 3mm or so. Thinking about these large fields of "black" area and I think I could actually defocus and crank the power a bit so it'd take a lower LPI in the cuts for the same result. At least it'd go faster!
