Update bottle clip generator

app/openscad/bottle-clip.scad

@@ -11,6 +11,25 @@
 
 include <write/Write.scad>
 
+/**
+ * Module for multi colored print.
+ * All children are the given color.
+ * Using the global CURRENT_COLOR it is possible to only render and export everything of one color.
+ * Doing this for all colors the resulting stls can be put together again to a multi filament print in the slicer.
+ * If CURRENT_COLOR is set to "ALL" all colors are displayed.
+ * If color is "DEFAULT", it is not colored in the preview.
+ * Inspired by https://erik.nygren.org/2018-3dprint-multicolor-openscad.html
+ */
+module multicolor(color) {
+	if (is_undef(CURRENT_COLOR) || CURRENT_COLOR == "ALL" || CURRENT_COLOR == color) {
+		if (color != "DEFAULT") {
+			color(color) children();
+		} else {
+			children();
+		}
+	}
+}
+
 /**
  * Creates one instance of a bottle clip name tag. The default values are
  * suitable for 0.5l Club Mate bottles (and similar bottles). By default, logo
@@ -35,24 +54,27 @@ include <write/Write.scad>
  *   in mm. This parameter can be empty; in this case, the text uses the total
  *   height of the name tag.
  * font: the path to a font for Write.scad.
+ * bg_color: The color of the background (the clip itself)
+ * text_color: The color of the text
+ * logo_color: The color of the logo
  */
 module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="", gap=90,
-		logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf") {
+		logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf",
+		bg_color="DEFAULT", text_color="DEFAULT", logo_color="DEFAULT") {
 
 	e=100;  // should be big enough, used for the outer boundary of the text/logo
-
 	difference() {
 		rotate([0,0,-45]) union() {
 			// main cylinder
-			cylinder(r1=rl+width, r2=ru+width, h=ht);
+			multicolor(bg_color) cylinder(r1=rl+width, r2=ru+width, h=ht);
 			// text and logo
 			if(logo == "") {
-				writecylinder(name, [0,0,3], rl+0.5, ht/13*7, h=ht/13*8, t=max(rl,ru),
+				multicolor(text_color) writecylinder(name, [0,0,3], rl+0.5, ht/13*7, h=ht/13*8, t=max(rl,ru),
 					font=font);
 			} else {
-				writecylinder(name, [0,0,0], rl+0.5, ht/13*7, h=ht/13*4, t=max(rl,ru),
+				multicolor(text_color) writecylinder(name, [0,0,0], rl+0.5, ht/13*7, h=ht/13*4, t=max(rl,ru),
 					font=font);
-				translate([0,0,ht*3/4-0.1])
+				multicolor(logo_color) translate([0,0,ht*3/4-0.1])
 					rotate([90,0,0])
 					scale([ht/100,ht/100,1])
 					translate([-25,-25,0.5])
@@ -89,9 +111,10 @@ module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="", gap=90,
  * bottle_clip(), see there for their documentation.
  */
 module bottle_clip_longneck(name="", width=2.5, gap=90,
-		logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf") {
+		logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf",
+		bg_color="DEFAULT", text_color="DEFAULT", logo_color="DEFAULT") {
 	bottle_clip(name=name, ru=13, rl=15, ht=26, width=width, logo=logo, gap=gap,
-		font=font);
+		font=font, bg_color=bg_color, text_color=text_color, logo_color=logo_color);
 }
 
 /**
@@ -100,9 +123,10 @@ module bottle_clip_longneck(name="", width=2.5, gap=90,
  * reasons, there is no logo, but all other parameters are passed to the module
  * bottle_clip(), see there for their documentation.
  */
-module bottle_clip_steinie(name="", width=2.5, gap=90, font="write/orbitron.dxf") {
+module bottle_clip_steinie(name="", width=2.5, gap=90, font="write/orbitron.dxf",
+		bg_color="DEFAULT", text_color="DEFAULT", logo_color="DEFAULT") {
 	bottle_clip(name=name, ru=13, rl=17.5, ht=13, width=width, logo="", gap=gap,
-		font=font);
+		font=font, bg_color=bg_color, text_color=text_color, logo_color=logo_color);
 }
 
 /*
@@ -111,9 +135,10 @@ module bottle_clip_steinie(name="", width=2.5, gap=90, font="write/orbitron.dxf"
  * passed to the module bottle_clip(), see there for their documentation.
  */
 module bottle_clip_euro2(name="", width=2.5, gap=90,
-    logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf") {
+		logo="thing-logos/stratum0-lowres.dxf", font="write/orbitron.dxf",
+		bg_color="DEFAULT", text_color="DEFAULT", logo_color="DEFAULT") {
 	bottle_clip(name=name, ru=13, rl=22.5, ht=26, width=width, logo=logo, gap=gap,
-    font=font);
+		font=font, bg_color=bg_color, text_color=text_color, logo_color=logo_color);
 }
 
 // vim: set noet ts=2 sw=2 tw=80:

app/openscad/write/Write.scad

@@ -1,4 +1,5 @@
-/* 	Version 3
+/* 	Version 4
+	Added bold property  bold=0 (not bold) bold=1(bolder by 1.1) bold=2(bolder by 1.2) 
 	Added support for font selection (default is Letters.dxf)
 	Added WriteCube module
 	Added Rotate for text (rotates on the plane of the text)
@@ -26,6 +27,7 @@
 // defaults.
 
 //default settings
+	bold=0;
 	center=false;
 	h = 4;			 //mm letter height
 	t = 1; 			//mm letter thickness
@@ -73,19 +75,19 @@ module writecylinder(text,where,radius,height){
 		if (face=="top" ){
 			if (center==true){
 				writecircle(text,where+[0,0,height/2],radius-h,rotate=rotate,font=font,h=h,t=t,
-				space=space,east=east,west=west,middle=middle,ccw=ccw);
+				space=space,east=east,west=west,middle=middle,ccw=ccw,bold=bold);
 			}else{
 				writecircle(text,where+[0,0,height],radius-h,rotate=rotate,font=font,h=h,t=t,
-				space=space,east=east,west=west,middle=middle,ccw=ccw);
+				space=space,east=east,west=west,middle=middle,ccw=ccw,bold=bold);
 			}
 		}else{
 			rotate(180,[1,0,0])
 			if (center==true){
 				writecircle(text,where+[0,0,height/2],radius-h,rotate=rotate,font=font,h=h,t=t,
-				space=space,east=east,west=west,middle=middle,ccw=ccw);
+				space=space,east=east,west=west,middle=middle,ccw=ccw,bold=bold);
 			}else{
 				writecircle(text,where+[0,0,0],radius-h,rotate=rotate,font=font,h=h,t=t,
-				space=space,east=east,west=west,middle=middle,ccw=ccw);
+				space=space,east=east,west=west,middle=middle,ccw=ccw,bold=bold);
 			}
 		}
 	
@@ -96,13 +98,13 @@ module writecylinder(text,where,radius,height){
 				translate(where)
 				writethecylinder(text,where,radius,height,r1=radius,r2=radius,h=h,
 					rotate=rotate,t=t,font=font,face=face,up=up,down=down,
-					east=east,west=west,center=center,space=space,rounded=rounded);
+					east=east,west=west,center=center,space=space,rounded=rounded,bold=bold);
 			} else{
 				rotate(-mmangle(radius)*(1-abs(rotate)/90),[0,0,1])
 				translate(where+[0,0,height/2])
 					writethecylinder(text,where,radius,height,r1=radius,r2=radius,h=h,
 					rotate=rotate,t=t,font=font,face=face,up=up,down=down,
-					east=east,west=west,center=center,space=space,rounded=rounded);
+					east=east,west=west,center=center,space=space,rounded=rounded,bold=bold);
 			}
 // the remarked out code is for cone shaped cylinders (not complete)
 //		}else{
@@ -140,7 +142,7 @@ module writecircle(text,where,radius){
 					//rotate(90,[1,0,0])
 					//rotate(90,[0,1,0])
 					rotate(-270,[0,0,1])  // flip text (botom out = -270)
-					write(text[r],center=true,h=h,t=t,font=font);
+					write(text[r],center=true,h=h,t=t,font=font,bold=bold);
 				}
 			}
 		}
@@ -154,7 +156,7 @@ module writecircle(text,where,radius){
 					//rotate(90,[1,0,0])
 					//rotate(90,[0,1,0])
 					rotate(270,[0,0,1])  // flip text (botom out = -270)
-					write(text[r],center=true,h=h,t=t,font=font);
+					write(text[r],center=true,h=h,t=t,font=font,bold=bold);
 				}
 			}
 		}		
@@ -176,7 +178,7 @@ module writethecylinder(text,where,radius,height,r1,r2){
 				translate([radius,0,-r*((rotate)/90*wid)+(len(text)-1)/2*((rotate)/90*wid)])
 				rotate(90,[1,0,0])
 				rotate(90,[0,1,0])
-				write(text[r],center=true,h=h,rotate=rotate,t=t,font=font);
+				write(text[r],center=true,h=h,rotate=rotate,t=t,font=font,bold=bold);
 		//echo("zloc=",height/2-r*((rotate)/90*wid)+(len(text)-1)/2*((rotate)/90*wid));
 			}
 
@@ -204,7 +206,7 @@ module writesphere(text,where,radius){
 				translate([radius,0,0])
 				rotate(90,[1,0,0])
 				rotate(90,[0,1,0])
-				write(text[r],center=true,h=h,rotate=rotate,t=t,font=font);
+				write(text[r],center=true,h=h,rotate=rotate,t=t,font=font,bold=bold);
 			}
 		}else{
 			difference(){
@@ -214,7 +216,7 @@ module writesphere(text,where,radius){
 					translate([radius,0,0])
 					rotate(90,[1,0,0])
 					rotate(90,[0,1,0])
-					write(text[r],center=true,h=h,rotate=rotate,t=t*2+h,font=font);
+					write(text[r],center=true,h=h,rotate=rotate,t=t*2+h,font=font,bold=bold);
 				}
 				difference(){ //rounded outside
 					sphere(radius+(t*2+h)*2);
@@ -232,12 +234,12 @@ module writecube(text,where,size){
 	if (str(size)[0] != "["){  
 		// its a square cube (size was not a matrix so make it one)
 		writethecube(text,where,[size,size,size],h=h,rotate=rotate,space=space,
-		t=t,font=font,face=face,up=up,down=down,right=right,left=left);
+		t=t,font=font,face=face,up=up,down=down,right=right,left=left,bold=bold);
 
 	}else{
 		// its not square
 		writethecube(text,where,size,h=h,rotate=rotate,space=space,
-		t=t,font=font,face=face,up=up,down=down,right=right,left=left);
+		t=t,font=font,face=face,up=up,down=down,right=right,left=left,bold=bold);
 	}
 }
 // I split the writecube module into 2 pieces.. easier to add features later
@@ -245,34 +247,34 @@ module writethecube(text,where,size){
 		if (face=="front") {
 			translate([where[0]+right-left,where[1]-size[1]/2,where[2]+up-down])
 			rotate(90,[1,0,0])
-			write(text,center=true,h=h,rotate=rotate,t=t,font=font);
+			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space,bold=bold);
 		}
 		if (face=="back") {
 			translate([where[0]+right-left,where[1]+size[1]/2,where[2]+up-down])
 			rotate(90,[1,0,0])   // rotate around the x axis
 			rotate(180,[0,1,0])  // rotate around the y axis (z before rotation)
-			write(text,center=true,h=h,rotate=rotate,t=t,font=font);
+			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space,bold=bold);
 		}
 		if (face=="left") {
 			translate([where[0]-size[0]/2,where[1]-right+left,where[2]+up-down ])
 			rotate(90,[1,0,0])   // rotate around the x axis
 			rotate(90,[0,-1,0])  // rotate around the y axis  (z before rotation)
-			write(text,center=true,h=h,rotate=rotate,t=t,font=font);
+			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space,bold=bold);
 		}
 		if (face=="right") {
 			translate([where[0]+size[0]/2,where[1]+right-left,where[2] +up-down])
 			rotate(90,[1,0,0])   // rotate around the x axis
 			rotate(90,[0,1,0])  // rotate around the y axis  (z before rotation)
-			write(text,center=true,h=h,rotate=rotate,t=t,font=font);
+			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space,bold=bold);
 		}
 		if (face=="top") {
 			translate([where[0]+right-left,where[1]+up-down,where[2]+size[2]/2 ])
-			write(text,center=true,h=h,rotate=rotate,t=t,font=font);
+			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space,bold=bold);
 		}
 		if (face=="bottom") {
 			translate([where[0]+right-left,where[1]-up+down,where[2]-size[2]/2 ])
 			rotate(180,[1,0,0])
-			write(text,center=true,h=h,rotate=rotate,t=t,font=font);
+			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space,bold=bold);
 		}
 }
 
@@ -283,7 +285,9 @@ module write(word){
 	echo ("There are " ,len(word) ," letters in this string");
 //	echo ("The second letter is ",word[1]);
 //	echo (str(word[0],"_"));
+minkowski() {
 rotate(rotate,[0,0,-1]){
+	
 	for (r = [0:len(word)]){   // count off each character
 		// if the letter is lower case, add an underscore to the end for file lookup
 		if ((word[r] == "a" ) || (word[r]== "b")  || (word[r]== "c") 
@@ -299,18 +303,20 @@ rotate(rotate,[0,0,-1]){
 				translate([0,-h/2,0]){
 					scale([.125*h,.125*h,t]){	
 						translate([ (-len(word)*5.5*space/2) + (r*5.5*space),0,0])
+						//offset(delta = 20, join_type = "round") {
 						linear_extrude(height=1,convexity=10,center=true){
 							import(file = font,layer=str(word[r],"_"));
-						}
+						}//}
 					}
 				}
 			}else{
 				translate([0,0,t/2]){
 					scale([.125*h,.125*h,t]){	
 						translate([r*5.5*space,0,0])
+						//offset(delta = 20, join_type = "round") {
 						linear_extrude(height=1,convexity=10,center=true){
 							import(file = font,layer=str(word[r],"_"));
-						}
+						}//}
 					}
 				}
 			}
@@ -320,23 +326,27 @@ rotate(rotate,[0,0,-1]){
 				translate([0,-h/2,0]){
 					scale([.125*h,.125*h,t]){
 						translate([ (-len(word)*5.5*space/2) + (r*5.5*space),0,0])
+						//offset(delta = 20, join_type = "round") {
 						linear_extrude(height=1,convexity=10,center=true){
 							import(file = font,layer=str(word[r]));
-						}
+						}//}
 					}
 				}
 			}else{
 				translate([0,0,t/2]){
 					scale([.125*h,.125*h,t]){
 						translate([r*5.5*space,0,0])
+						//offset(delta = 20, join_type = "round") {
 						linear_extrude(height=1,convexity=10,center=true){
 							import(file = font,layer=str(word[r]));
+						}//}
 					}
 				}
 			}
 		}
 	}
-	}
+}
+cube([bold*.1*h,bold*.1*h,.00001]);
 }
 }