Wandhaken für Gartenschlauch und Kabel

// Wandhaken, z.B. für Gartenschlauch oder Kabel.
platte_b = 40;   // Breite der Wandplatte (mm)
platte_h = 60;   // Höhe der Wandplatte (mm)
platte_d = 5;    // Dicke der Wandplatte (mm)
arm_l    = 55;   // Auskraglänge des Arms (mm)
arm_d    = 12;   // Armdurchmesser (mm)
nase_h   = 16;   // Höhe der Abrutschsicherung (mm)
d_schraube = 5;  // Schraubendurchmesser (mm)
$fn = 64;
e = 0.01;
difference() {
    union() {
        cube([platte_d, platte_b, platte_h]);
        translate([0, platte_b/2, platte_h*0.32])
            rotate([0,90,0]) cylinder(h = arm_l, d = arm_d);
        translate([arm_l - arm_d/2, platte_b/2, platte_h*0.32])
            cylinder(h = nase_h, d = arm_d);
    }
    for (z = [platte_h*0.12, platte_h*0.88])
        translate([-e, platte_b/2, z]) rotate([0,90,0])
            cylinder(h = platte_d + 2*e, d = d_schraube);
}

This is exactly the source behind the sliders above – the parameters are the named variables in it. You can open it locally in OpenSCAD and keep writing; you are not tied to anything. Download the SCAD – no account.