69 lines
1.7 KiB
OpenSCAD
69 lines
1.7 KiB
OpenSCAD
// subframe.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_cycleparts(rim=451, chainring_teeth=82, crank=140) {
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// wheel
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translate([0, 382, 93])
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rotate([0, 0, 90])
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wheel(rim=rim, spoke_nbr=0);
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translate([-42, 382, 93])
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rotate([0, 90, 0])
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color("grey")
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sprocket(teeth=30, roller=7.9, pitch=12.7);
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rotate([90, 0, 90])
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translate([660, 180, -40])
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chainset( teeth=chainring_teeth, crank=crank);
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rotate([0,90,0])
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translate([-93, 900, 24])
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epicyclic();
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}
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module subframe (rim=451, chainring_teeth=82, crank=140) {
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// front leg (supports cross-shaft, epicyclic, motor
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translate([-25, 820, -60])
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color("silver")
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cube([50, 25, 366]);
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// bottom bracket leg
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translate([-25, 680, -90])
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color("silver")
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cube([50, 25, 443]);
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// wheel leg
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translate([-100, 345, -111])
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rotate([0, 7, 0])
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color("silver")
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cube([25, 75, 519]);
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// front upper
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translate([-25, 1100, 200])
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rotate([70, 0, 0])
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color("silver")
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cube([50, 25, 425]);
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// central upper
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translate([-25, 714, 343])
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rotate([82, 0, 0])
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color("silver")
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cube([50, 25, 529]);
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// rear leg
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translate([-25, 0, 0])
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rotate([-23, 0, 0])
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color("silver")
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cube([50, 25, 485]);
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subframe_cycleparts(rim, chainring_teeth, crank);
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}
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// subframe(chainring_teeth=90, crank=140);
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