include <commitid.scad>
-rnom = 7.5 / 2;
+rnom = 3.5 / 2;
// alpha is slope angle, which is half of inner concave angle that
// wire sits in
mu = 1/4;
// wall thickness, and base width as fraction of cable size
-wall_r = 1.5 / 6.5;
+wall_r = 2.5 / 6.5;
base_r = 0.75;
+total_len = 60;
+
+strap_width = 3.0 + 0.5;
+
+strap_count = 4;
+
// for cross-section calculations:
//
// origin O is at intersection of straight line segments forming walls
x_T_r = sina;
y_T_r = -tana * sina;
-top_r = wall_r - (d_OC_r - 1);
-
wall_x_r = wall_r / tan(90-alpha);
-top = top_r * r1;
+top = wall_r * r1 - (d_OC_r - 1) * r0;
basew = base_r * rnom;
echo("dias", r0*2, r1*2, "ratio",r1/r0);
}
}
-strap_width = 4 + 0.5;
-total_len = 70;
-
-strap_count = 2;
-
strap_wall_h = 1.5;
strap_wall_l = 2.0;