Created
August 13, 2012 02:36
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Simple Parametric Rocket (made with OpenSCAD)
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module rocket () { | |
$fn = 100; | |
rocket_diameter = 5; | |
rocket_length = 50; | |
rocket_nose_cone_length = 10; | |
rocket_num_fins = 3; | |
rocket_fin_length = 10; | |
rocket_fin_width = 5; | |
rocket_engine_diameter = 4; | |
rocket_engine_length = 10; | |
difference() { | |
union() { | |
translate([0, 0, (rocket_length - rocket_nose_cone_length) / 2 + ( rocket_nose_cone_length / 2)]) cylinder(r1 = rocket_diameter / 2, r2 = 0, h = rocket_nose_cone_length, center = true); | |
cylinder(r = rocket_diameter / 2,h = (rocket_length - rocket_nose_cone_length), center = true); | |
for( x = [0:rocket_num_fins]) { | |
rotate([0, 0, (360 / rocket_num_fins) * x]) | |
translate([-((rocket_diameter / 2) + (rocket_fin_width / 2)), 0, -( ((rocket_length - rocket_nose_cone_length) / 2 ) - (rocket_fin_length / 2)) ]) | |
rotate([90, 180, 0]) | |
polygon(points = [ | |
[ -(rocket_fin_width /2), -(rocket_fin_length /2)], | |
[-(rocket_fin_width /2), -(rocket_fin_length /2) + rocket_fin_length], | |
[-(rocket_fin_width /2) + rocket_fin_width, -(rocket_fin_length /2) + rocket_fin_length] | |
]); | |
} | |
} | |
union() { | |
translate([0, 0, -((rocket_length - rocket_nose_cone_length) / 2 ) + (rocket_engine_length / 2)]) | |
cylinder(r = rocket_engine_diameter / 2, h = rocket_engine_length, center = true) | |
; | |
} | |
} | |
} | |
rocket(); |
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The fins don't show up render. Before the polygon command at line 25, add a linear_extrude(1) before that line. Then the fins will show up in the render