scale=10;
-deck_dimensions = [8, 8, 3/16];
+deck_width = 8;
+deck_length = 8;
+deck_depth = 3/16;
+deck_dimensions = [deck_width, deck_length, deck_depth];
module deck(scale){
- cube(deck_dimensions * scale);}
+ cube(deck_dimensions * scale, center = true);}
module collar_hole(scale){
- cylinder(h = 5/16 * scale, r = 0.362/2 * scale, $fn = 100);}
+ cylinder(h = 5/16 * scale, r = 0.362/2 * scale);}
-module nubin_hole(scale){
- cylinder(h = 5/16 * scale, r = 0.145/2 * scale, $fn = 100);}
+module nubbin_hole(scale){
+ cylinder(h = 5/16 * scale, r = 0.145/2 * scale);}
module mounting_screw_hole(scale){
- cylinder(h = 5/16 * scale, r = 0.114/2 * scale, $fn = 100);}
+ cylinder(h = 5/16 * scale, r = 0.114/2 * scale);}
+
+module wheel_mount_reinforcement(scale){
+ diagonal = sqrt(deck_depth * deck_depth + deck_depth * deck_depth);
+ difference(){
+ cube([deck_depth * 2, deck_depth * 2, deck_depth * 2] * scale);
+ translate([-(diagonal - deck_depth) / 2, 0, 0] * scale)
+ rotate([45, 0, 0])
+ translate([0, -(diagonal * 1.1 - deck_depth) / 2, 0])
+ cube([diagonal * 2, diagonal * 2 * 1.1, deck_depth * 2] * scale);}}
module wheel_mount(scale){
difference(){
collar_hole(scale);}
// nubbin hole
translate([0.5 + 0.875 - 0.425, 0.938, -1/16] * scale){
- nubin_hole(scale);}
+ nubbin_hole(scale);}
// mounting screw hole
translate([0.5 + 1.213 - 0.425, 0.938 - 0.687/2, -1/16] * scale){
mounting_screw_hole(scale);}
translate([0.5 + 1.213 - 0.425, 0.938 + 0.687/2, -1/16] * scale){
mounting_screw_hole(scale);}}}
-color("blue") deck(scale);
-rotate([90, 0, 0]) translate([1.5, -2, -(3/16)]) wheel_mount();
-rotate([90, 0, 0]) translate([1.5, -2, -8]) wheel_mount();
+translate([0, 0, (3/16)/2 * scale]){
+ color("blue") deck(scale);
+ rotate([90, 0, 0])
+ translate([1.5, (deck_depth)/2, -4] * scale) wheel_mount(scale);
+ rotate([90, 0, 0])
+ translate([1.5, (deck_depth)/2, 4 - deck_depth] * scale)
+ wheel_mount(scale);}
+
+translate([1.5, deck_length/2 - deck_depth * 3, deck_depth] * scale){
+ wheel_mount_reinforcement(scale);}
+translate([1.5 * 2 - deck_depth * 2,
+ deck_length / 2 - deck_depth * 3,
+ deck_depth]
+ * scale){
+ wheel_mount_reinforcement(scale);}
+
+translate([1.5 + deck_depth * 2,
+ 3 * deck_depth - deck_length / 2,
+ deck_depth]
+ * scale){
+ rotate([0, 0, 180]){
+ wheel_mount_reinforcement(scale);}}
+translate([1.5 * 2, 3 * deck_depth - deck_length / 2, deck_depth] * scale){
+ rotate([0, 0, 180]){
+ wheel_mount_reinforcement(scale);}}