diff options
Diffstat (limited to 'chess/rook.scad')
| -rw-r--r-- | chess/rook.scad | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/chess/rook.scad b/chess/rook.scad index e8801dc..c38bcc7 100644 --- a/chess/rook.scad +++ b/chess/rook.scad @@ -35,24 +35,36 @@ head_radius = 1; head_height = 1; stem_height = total_height - base_height - (head_height / 2); +// Can set ridge_count to a coefficient or ratio of $fn or a static number +ridge_count = $fn/2; +ridge_angle_1 = 360 / ridge_count; +ridge_angle_2 = (360 / ridge_count) / 2; +ridge_angle_4 = (360 / ridge_count) / 4; + // ridge_offset will set the ridges to go over the corners ridge_offset_check = 0; -ridge_offset = ridge_offset_check * ((360/$fn)/2); +ridge_offset = ridge_offset_check * -ridge_angle_4; +// Base cylinder(base_height/2, r = base_radius); translate([0, 0, base_height/2]) cylinder(base_height/2, base_radius, stem_base_radius); + +// Column translate([0, 0, base_height]) cylinder(stem_height, stem_base_radius, stem_radius); + +// Head difference() { translate([0, 0, total_height - head_height]) cylinder(head_height, r = head_radius); + + // Ridges translate([0, 0, total_height - (head_height/4)]) { cylinder(head_height, r = head_radius * 0.75); - // this rotation will work for $fn = 8 or 6 - for (i = [0:(($fn/2)-1)]) { - rotate([0, 0, (i * (360/($fn/2))) - ridge_offset]) - rotate_extrude(angle = 360/$fn) + for (i = [1:ridge_count]) { + rotate([0, 0, (i * ridge_angle_1) - ridge_offset]) + rotate_extrude(angle = ridge_angle_2) square([head_radius + 0.25, head_height]); } } |