added kitt matrix

openscad/own/kitt-matrix/src/kitt-matrix.scad

@@ -0,0 +1,106 @@
+/* 
+Case for LED-Matrix of the KITT-Voice-Assistant
+by zeus - 2024-08-17 - CC-BY-SA-NC-4.0
+https://git.kostianix.de/zeus/3d-stuff/src/branch/main/openscad/own/kitt-matrix
+*/
+
+// ##########################################
+// VARS:
+$fn=25;         // overall render quality
+q=0.01;         // only used to get rid of visual glitches. can be set to 0 for productive exports.
+mt=9;           // material thickness, NOT overall thickness in case of a rim!
+pt=3;           // panel thickness
+mt_inner=2;     // constrained wall thickness for inside-walls between LEDs
+panel_w=67;     // overall width of led panel
+panel_h=66;     // same for height
+panel_t_pcb=1.5;    // height of PCB
+panel_t_led=1.5;    // height of the soldered LED modules
+panel_t=(panel_t_pcb+panel_t_led);    // overall thickness of the PCB+LEDs (~50:50)
+led_spacing_x=8.5;  // center-to-center spacing from LED to next LED, in width/x-axis-direction
+led_spacing_y=8;    // same for height/Y-axis
+led_w=4.5+1.5;
+led_h=5+1;
+led_num_x=8;
+led_num_y=8;
+offset_left=((panel_w-((led_num_x*led_w)+((led_num_x-1)*(led_spacing_x-led_w))))/2); // offset on one side (effectively "panel_w-e2e_x/2", but properly calculated)
+offset_top= ((panel_h-((led_num_y*led_h)+((led_num_y-1)*(led_spacing_y-led_h))))/2); // offset on one side (effectively "panel_h-e2e_y/2", but properly calculated)
+
+e2e_x=64;       // width/x-axis edge-to-edge-distance from beginning of first to end of last LED (LED-Case, not soldering-points). for reference only
+e2e_y=61.75;    // same for height/Y-axis
+
+conhole_d=4;    // connection hole between frame parts 
+conhole_taper_h=2;    // is this needed?
+conhole_i_d=2.75;   // should fit M3
+conhole_offset=3.5; //offset from outer perimeter
+cutout_w=10;
+//echo("offset left is ",offset_left);
+//echo("offset top is ",offset_top);
+
+
+// ##########################################
+
+// MODULES:
+
+module panel(){
+    // PCB:
+    cube([panel_w,panel_h,panel_t_pcb+q],center=true);
+    // overcomplicated "for" to determine the exact positions of the LEDs on the board.
+    // The LEDs themselves are not needed for rendering
+    // LEDs:
+/*
+        for (num_x=[0:led_spacing_x:led_spacing_x*(led_num_x-1)],num_y=[0:led_spacing_y:led_spacing_y*(led_num_y-1)])
+        translate([-(panel_w/2-led_w/2)+offset_left+num_x,-(panel_h/2-led_h/2)+offset_top+num_y,panel_t_led])color( "#ff0000" )cube([led_w,led_h,panel_t_led],center=true);
+*/
+    // "lightpipes":
+    // left column (span 2 wide each)
+    for (num_x=[0:led_spacing_x:led_spacing_x*(led_num_x-1)],num_y=[0:led_spacing_y])
+        translate([-(panel_w/2-led_w/2)+offset_left+num_x,-(panel_h/2-led_h/2)+offset_top+num_y,panel_t_pcb+panel_t_led*1.5])color( "#00ff00" )cube([led_w,led_h,panel_t_led*4+q],center=true);      
+    // center column (span 2 wide each)
+    for (num_x=[0:led_spacing_x:led_spacing_x*(led_num_x-1)],num_y=[led_spacing_y*3:led_spacing_y*4])
+        translate([-(panel_w/2-led_w/2)+offset_left+num_x,-(panel_h/2-led_h/2)+offset_top+num_y,panel_t_pcb+panel_t_led*1.5])color( "#00ff00" )cube([led_w,led_h,panel_t_led*4+q],center=true);  
+    // right column (span 2 wide each)
+    for (num_x=[0:led_spacing_x:led_spacing_x*(led_num_x-1)],num_y=[led_spacing_y*6:led_spacing_y*7])
+        translate([-(panel_w/2-led_w/2)+offset_left+num_x,-(panel_h/2-led_h/2)+offset_top+num_y,panel_t_pcb+panel_t_led*1.5])color( "#00ff00" )cube([led_w,led_h,panel_t_led*4+q],center=true);
+    // smaller inbetween columns (span 1 wide each)
+    for (num_x=[0:led_spacing_x:led_spacing_x*(led_num_x-1)],num_y=[led_spacing_y*2,led_spacing_y*5])
+        translate([-(panel_w/2-led_w/2)+offset_left+num_x,-(panel_h/2-led_h/2)+offset_top+num_y,panel_t_pcb+panel_t_led*1.5])color( "#00ff00" )cube([led_w,led_h,panel_t_led*4+q],center=true);
+
+}
+module panelholder(){
+    translate([0,0,panel_t_pcb])difference(){
+        cube([panel_w+mt,panel_h+mt,(panel_t+(panel_t_pcb+panel_t_led*2))],center=true);
+        translate([0,0,-(panel_t_pcb+panel_t_led)])
+            panel();
+        //translate([0,0,-panel_t_led*3])cube([panel_w,panel_h,(panel_t+(panel_t_led*3))],center=true);
+        // screwholes for M3
+        for (
+            pos_x=[-(panel_w+mt)/2+conhole_offset,
+                    (panel_w+mt)/2-conhole_offset],
+            pos_y=[-(panel_h+mt)/2+conhole_offset,
+                    (panel_h+mt)/2-conhole_offset]
+        )
+            translate([pos_x,pos_y,-1])
+                #cylinder(d=conhole_i_d,h=(panel_t+(panel_t_led*3)+q),center=true);
+    }
+}
+
+module panelframe(){
+    translate([0,0,panel_t_pcb])difference(){
+        cube([panel_w+mt,panel_h+mt,(panel_t+(panel_t_led*8))],center=true);
+        translate([cutout_w/2,0,pt])cube([panel_w-(offset_left*2)+cutout_w,panel_h-(offset_top*2),(panel_t+(panel_t_led*8))+q],center=true);
+        for (
+            pos_x=[-(panel_w+mt)/2+conhole_offset,
+                    (panel_w+mt)/2-conhole_offset],
+            pos_y=[-(panel_h+mt)/2+conhole_offset,
+                    (panel_h+mt)/2-conhole_offset])
+            {
+            translate([pos_x,pos_y,0])cylinder(d=conhole_d,h=(panel_t+(panel_t_led*8))+q,center=true);
+            translate([pos_x,pos_y,-(panel_t+(panel_t_led*8))/2+conhole_taper_h/2])cylinder(d2=conhole_d,d1=conhole_d*1.5,h=conhole_taper_h+q,center=true);
+            }
+    }
+}
+// ##########################################
+
+// DRAW MODEL:
+panelholder();
+translate([0,0,-(panel_t+(panel_t_led*3))-50])panelframe();