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Difference between revisions of "Big red laser cutter"
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=== Stuff seen around the space === | === Stuff seen around the space === | ||
=== ventilation ducting === | |||
a plastic adaptor was 3D printed to connect the 6" outlet of the exhaust fan to the 8" flexible duct leading to the roof hole: | |||
<code>laserduct.scad | |||
THICKNESS=1.5*25.4; | |||
ID=5.75*25.4; | |||
ID_LIP=ID-(0.25*25.4); | |||
ID_LIP_THICK=0.2*25.4; | |||
OD=7.75*25.4; | |||
OD_LIP=OD+0.2*25.4; | |||
OD_LIP_THICK=0.2*25.4; | |||
difference() { | |||
color("BLUE") cylinder(d1=OD_LIP, d2=OD, h=THICKNESS, $fn=100); | |||
{ | |||
translate([0,0,ID_LIP_THICK]) cylinder(d=ID, h=THICKNESS, $fn=100); | |||
translate([0,0,-0.5]) cylinder(d=ID_LIP, h=THICKNESS, $fn=100); | |||
} | |||
}</code> | |||
[[File:Laserduct.png|3D printing exhaust duct adaptor|thumb]] | |||