prisml = 13;
triedge = 13;
+etchdepth = 1.0;
+
figboxsize = 13;
-module Number(depth) {
+// calculated
+
+triheight = triedge / 2 * sqrt(3);
+tricentre = triedge / 2 * tan(30);
+
+module Number(number) {
translate([-figboxsize/2, -figboxsize/2])
- import(file=str("pandemic-quarantine-l",depth,".dxf"), convexity=100);
-}
+ import(file=str("pandemic-quarantine-l",number,".dxf"), convexity=100);
+}
module FaceTriangle(){
x = triedge / 2;
- y = triedge / 2 * sqrt(3);
+ y = triheight;
polygon([[-x, 0],
[ 0, y],
[ x, 0]]);
linear_extrude(height=prisml) FaceTriangle();
}
-Body();
+module NumberCut(number){
+ translate([0,0, -etchdepth])
+ linear_extrude(height= etchdepth + 1)
+ Number(number);
+}
+
+module Etchings(){
+ for (rot=[0,180]) {
+ rotate([0,0, rot])
+ translate([0, -prisml/2, triedge * 0.3])
+ rotate([90, 0, 0])
+ NumberCut(2);
+ }
+ for (rot=[0,120,240]) {
+ translate([0,0, tricentre])
+ rotate([0, rot, 0])
+ translate([0,0, -tricentre])
+ rotate([0,180,0])
+ rotate([0,0, rot==240 ? 90 : -90])
+ NumberCut(1);
+ }
+}
+
+module Counter(){
+ difference(){
+ Body();
+ Etchings();
+ }
+}
+
+Counter();
+//NumberCut(1);