add rim base
parent
7fdbac6b3c
commit
8356c42ef4
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@ -3,34 +3,51 @@
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$fn=60;
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R=42; // outer radius
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R_I=26.5; // innermost radius
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B=2.5; // width of edge for the rim
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B_W=1.6; // thickness of edge for the rim
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B_P=4; // position of edge for the rim
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W=50; // tire width
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N_L=4; // number of lateral protectors
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N_A=20; // number of angular protectors
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N_A=10; // number of angular protectors
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translate([0, 0, B_P-2-0.2]) color([0.5, 0.5, 1]) {
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union() {
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cylinder(r=R_I-0.2, h=W-2*(B_P-2-0.2));
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cylinder(r=R_I+B-0.5, h=2);
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translate([0, 0, W-2*(B_P-2-0.2)-2]) cylinder(r=R_I+B-0.5, h=2);
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translate([0, 0, B_P]) cylinder(r=R_I+B+2, h=2);
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translate([0, 0, W-2*(B_P-2-0.2)-6]) cylinder(r=R_I+B+2, h=2);
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}
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}
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tire();
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module tire() {
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difference() {
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hull() {
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translate([0, 0, 2]) cylinder(r=R, h=W-4);
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cylinder(r=R-2, h=W);
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}
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// center hole through all piece
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translate([0, 0, -0.5]) cylinder(r=26.5, h=W+1);
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translate([0, 0, -0.5]) cylinder(r=R_I, h=W+1);
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// top hole
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translate([0, 0, W-4]) cylinder(r=29, h=5);
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translate([0, 0, W-B_P]) cylinder(r=R_I+B, h=B_P+1);
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hull() {
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translate([0, 0, W-1.5]) cylinder(r=29, h=1.5);
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translate([0, 0, W]) cylinder(r=30.5, h=1);
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translate([0, 0, W-1.5]) cylinder(r=R_I+B, h=1.5);
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translate([0, 0, W]) cylinder(r=R_I+B+1.5, h=1);
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}
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// bottom hole
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translate([0, 0, -1]) cylinder(r=29, h=5);
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translate([0, 0, -1]) cylinder(r=R_I+B, h=B_P+1);
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hull() {
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translate([0, 0, 0]) cylinder(r=29, h=1.5);
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translate([0, 0, -1]) cylinder(r=30.5, h=1);
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translate([0, 0, 0]) cylinder(r=R_I+B, h=1.5);
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translate([0, 0, -1]) cylinder(r=R_I+B+1.5, h=1);
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}
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// inside cut
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translate([0, 0, 4+1.5]) cylinder(r=R-3, h=W-(4+1.5)*2);
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translate([0, 0, B_P+B_W]) cylinder(r=R-3, h=W-(B_P+B_W)*2);
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difference() {
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translate([0, 0, 2.5]) cylinder(r=R-3, h=W-2.5*2);
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cylinder(r=31, h=W);
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cylinder(r=R_I+B+2, h=W);
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}
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// lateral protector
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for (i = [1 : N_L])
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@ -44,6 +61,7 @@ difference() {
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// to cut and look inside :)
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//translate([0, 0, -0.1]) cube(size=[100, 100,100]);
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}
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}
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module protector_single() {
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difference() {
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