inch=25; // mm //small_point_3_cones_hooks.scad module rubber_band_hooks() { rotate([90,0,0]) cylinder(h=.80 * inch,d1=inch * .25, d2=inch * .25, $fn= 50, center=true); } //rubber_band_hooks(); difference() { union() { translate([0,0,26]) rubber_band_hooks(); cylinder(h=1.3 * inch,d1=inch * 1.2, d2=inch * .3 ,$fn= 75 , center=false); //translate([0,0,7]) rotate([45,0,0]) cylinder(h=1.6 * inch,d1=inch * .6, d2=inch * .4,$fn= 50, center=false); //translate([0,0,7]) rotate([-45,0,0]) cylinder(h=1.6 * inch,d1=inch * .6, d2=inch * .4,$fn= 50, center=false); } //holes cylinder(h=6 * inch, d=inch * .25, center=true); rotate([-45,0,0]) cylinder(h=6 * inch, d=inch * .25, center=true); rotate([45,0,0]) cylinder(h=6 * inch, d=inch * .25, center=true); translate([0,0,-6* inch]) cylinder(h=6 * inch, d=inch * 6, center=false); }