diff --git a/tape_fan.scad b/tape_fan.scad deleted file mode 100644 index 59b818c..0000000 --- a/tape_fan.scad +++ /dev/null @@ -1,44 +0,0 @@ -$fn = 200; - -w = 1; -h = 1; - -function fn(a, b) = round(sqrt(pow(a[0]-b[0],2) + (pow(a[1]-b[1], 2)))); - -module shape(i) cylinder(h, max(w/2*((i^2.1)*0.01),0.5), max(w/2*((i^2.1)*0.01),0.5), $fn=12); - -function b_pts(pts, n, idx) = - len(pts)>2 ? - b_pts([for(i=[0:len(pts)-2])pts[i]], n, idx) * n*idx - + b_pts([for(i=[1:len(pts)-1])pts[i]], n, idx) * (1-n*idx) - : pts[0] * n*idx - + pts[1] * (1-n*idx); - -module b_curve(pts) - let (idx=fn(pts[0], pts[len(pts)-1]), n = 1/idx) { - for (i= [0:idx-1]) - hull(){ - translate(b_pts(pts, n, i)) shape(i); // change i to 1 for constant with - translate(b_pts(pts, n, i+1)) shape(i); // change i to 1 for constant with - }; -} - -module spike() { - polygon([[0, 0], [10, 0], [5, 50]]); -} - -blade = 8; - -module fan() { - for (i = [0 : blade]){ - rotate( i * 360/blade, [0, 0, 1]) - b_curve([[0, 0], [20, 30], [10, 45], [0, 37]]); - } - - cylinder(h, d = 35); -} - -difference() { - fan(); - cylinder(h, d = 5); -};