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Diffstat (limited to 'chess/king.scad')
| -rw-r--r-- | chess/king.scad | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/chess/king.scad b/chess/king.scad new file mode 100644 index 0000000..f38b4e1 --- /dev/null +++ b/chess/king.scad @@ -0,0 +1,72 @@ + +// FIDE Standards have some flexibility +// https://www.fide.com/FIDE/handbook/Standards_of_Chess_Equipment_and_tournament_venue.pdf +// FIDE Handbook C.02.2.2 Height,weight,proportions +// - King – 9.5 cm, +// - Queen – 8.5 cm, +// - Bishop – 7 cm, +// - Knight – 6 cm, +// - Rook – 5.5 cm and +// - Pawn – 5 cm. +// - The diameter of the piece's base should measure 40- 50% of its height. +// - These dimensions may differ up to 10% from the above recommendation, +// - but the order (e.g. King is higher than Queen etc.) must be kept. +// We are going to transgress C.02.2.3 +// FIDE Handbook C.02.3.2 Size of the square and the board +// - The side of the square should measure 5 to 6 cm. +// - Referring to 2.2 the side of a square should be at least twice the diameter of a pawn’s base (it means four paws on one square). + +use <../lib/bezier.scad>; + +$fn = 8; +total_height = 9.5; +base_diameter = total_height / 2; +base_radius = base_diameter / 2; +base_height = 1; +stem_radius = base_radius / 4; +stem_base_radius = base_radius / 2; +head_radius = 1.25; +head_height = 2; +crown_height = 1; +cross_crown_ratio = 0.75; +cross_height = crown_height * cross_crown_ratio; +cap_height = crown_height - cross_height; +cap_radius = head_radius * 0.25; +cross_thickness = 0.1; +stem_height = total_height - base_height - head_height - crown_height; + +// collar_check enables collar +collar_check = 1; +collar_radius = head_radius * collar_check; +collar_height = 1 * collar_check; + +// Base +cylinder(base_height/2, base_radius, base_radius); +translate([0, 0, base_height/2]) + cylinder(base_height, base_radius, 0); + +// Stem +translate([0, 0, base_height]) + cylinder(stem_height, stem_base_radius, stem_radius); + +// Collar +translate([0, 0, stem_height + base_height - (collar_height/2)]) + cylinder(collar_height/2, 0, collar_radius); +translate([0, 0, stem_height + base_height]) + cylinder(collar_height/2, collar_radius, 0); + +// Head +translate([0, 0, total_height - head_height - crown_height]) + cylinder(head_height, stem_radius, head_radius); + +// Cap +translate([0, 0, total_height - crown_height]) + cylinder(cap_height, head_radius, stem_radius); + +// Cross +translate([0, 0, total_height - cross_height]) + cylinder(cross_height, cross_thickness, cross_thickness); +translate([-cross_height/2, 0, total_height - (cross_height/2)]) + rotate([0, 90, 0]) + cylinder(cross_height, cross_thickness, cross_thickness); + |