60 lines
1.5 KiB
OpenSCAD
60 lines
1.5 KiB
OpenSCAD
// tricycle.scad:
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// (c) Simon Brooke 2025; CC-BY-SA
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include <BentSim/Library/Bike_accessories.scad>
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include <SprocketGenerator2/files/Sprocket_Generator_v2_example_10.scad>
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include <chainset.scad>
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include <epicyclic.scad>
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module subframe () {
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// front leg (supports cross-shaft, epicyclic, motor
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translate([-25, 1820, -550])
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color("grey")
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cube([50, 25, 230]);
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// bottom bracket leg
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translate([-25, 1690, -578])
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color("grey")
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cube([50, 25, 310]);
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// wheel leg
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translate([-70, 1430, -593])
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rotate([0, 5, 0])
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color("grey")
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cube([25, 75, 363]);
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// front upper
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translate([-25, 2000, -385])
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rotate([70, 0, 0])
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color("grey")
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cube([50, 25, 330]);
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// central upper
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translate([-25, 1700, -275])
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rotate([82, 0, 0])
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color("grey")
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cube([50, 25, 370]);
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// rear leg
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translate([-25, 1200, -515])
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rotate([-23, 0, 0])
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color("grey")
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cube([50, 25, 344]);
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// wheel
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translate([0, 1467.5, -450])
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rotate([0, 0, 90])
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// Pierre Rouzeau's wheel is beautifully modelled and parameterised, but it doesn't seem to be scaled as I'd expect...
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scale([0.70, 0.70, 0.70])
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wheel(rim=451, spoke_nbr=0);
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rotate([90, 0, 90])
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translate([1680, -410, -40])
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chainset( teeth=82, crank=140);
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rotate([0,90,0])
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translate([450, 1900, 24])
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epicyclic();
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}
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subframe();
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