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block4a.scad
71 lines (58 loc) · 2.1 KB
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block4a.scad
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//block shape
x=60;
y=60;
z=13;
// track channel
f=x+10;
g=25;
h=9.5;
// block top
e=20;
r=y+10;
t=16.5;
// spacing of screw holes
cx=15;
cy=40;
dx=15;
dy=45;
difference()
{
translate([0,0,z]/2) cube ([x,y,z],center=true);
translate([0,0,z+4]/2) cube([f,g,h],center=true);
translate([49,0,z+11]/2) cube ([e,r,t],center=true);
translate([-49,0,z+11]/2) cube ([e,r,t],center=true);
translate([cx,cy,0]/2) cylinder(d=5, h=50, center=true);
translate([-cx,cy,0]/2) cylinder(d=5, h=50, center=true);
translate([cx,-cy,0]/2) cylinder(d=5, h=50, center=true);
translate([-cx,-cy,0]/2) cylinder(d=5, h=50, center=true);
translate([dy,dy,0]/2) cylinder(d=5, h=50, center=true);
translate([-dy,dy,0]/2) cylinder(d=5, h=50, center=true);
translate([dy,-dy,0]/2) cylinder(d=5, h=50, center=true);
translate([-dy,-dy,0]/2) cylinder(d=5, h=50, center=true);
translate([dy,dx,0]/2) cylinder(d=5, h=50, center=true);
translate([-dy,dx,0]/2) cylinder(d=5, h=50, center=true);
translate([dy,-dx,0]/2) cylinder(d=5, h=50, center=true);
translate([-dy,-dx,0]/2) cylinder(d=5, h=50, center=true);
translate([cx,cy,0]/2) cylinder(d1=16, d2=8, h=7, center=true);
translate([-cx,cy,0]/2) cylinder(d1=16, d2=8, h=7, center=true);
translate([cx,-cy,0]/2) cylinder(d1=16, d2=8, h=7, center=true);
translate([-cx,-cy,0]/2) cylinder(d1=16, d2=8, h=7, center=true);
// zip tie knotches
translate([0,-cy/2,11.5-10]) cube([18,3,4],center=true);
translate([0,cy/2,11.5-10]) cube([18,3,4],center=true);
// removal knotches
translate([0,-(6.8+51)/2,11.5-10]) cube([8,3,4],center=true);
translate([0,(6.8+51)/2,11.5-10]) cube([8,3,4],center=true);
translate([(6.8+51)/2,0,11.5-11]) cube([3,8,2],center=true);
translate([-(6.8+51)/2,0,11.5-11]) cube([3,8,2],center=true);
}
translate([0,(6.8+4)/2,z-8]) cube([18,2.7,5],center=true);
translate([0,-(6.8+4)/2,z-8]) cube([18,2.7,5],center=true);
difference ()
{
translate([-30,0,9]) cube([8,60,30],center=true);
}
difference ()
{
translate([30,0,9]) cube([8,60,30],center=true);
}