added radio holder start

radio_holder.scad

@@ -0,0 +1,73 @@
+max_x = 18.95;
+max_y = 10.9;
+max_z = 3.6;
+
+btm_x = 12.3;
+btm_z = 1.6;
+
+rbt_x = 1;
+rbt_h = 1.75;
+
+mid_x = 7;
+mid_y = 7.2;
+
+grp_x = 4.5;
+grp_y = 11.75;
+grp_z = 1.5;
+
+tri_y = 2.56;
+tri_z = 1;
+tri_d = 5;
+tri_a = 30;
+
+union() {
+    // main part
+    difference() {
+        // overall shape
+        cube([max_x, max_y, max_z]);
+        
+        // bottom clearance
+        translate([(max_x-btm_x)/2,-1,-1])
+        cube([btm_x,max_y+2,btm_z+1]);
+        
+        // rabbets
+        translate([-1,-1,rbt_h]) 
+        cube([rbt_x+1,max_y+2,max_z-rbt_h+1]);
+        translate([max_x-rbt_x,-1,rbt_h])
+        cube([rbt_x+1,max_y+2,max_z-rbt_h+1]);
+        
+        translate([(max_x-mid_x)/2,-1,-1])
+        cube([mid_x,mid_y+1,max_z+2]);
+    }
+    
+    // grip
+    translate([
+        (max_x-grp_x)/2,
+        (-grp_y+mid_y),
+        btm_z
+    ])
+    union() {
+        // main grip section
+        difference() {
+            cube([grp_x, grp_y+1, grp_z]);
+            
+            translate([0,0,grp_z/2])
+            rotate([0,0,45])
+            cube([1,5,grp_z+1], center = true);
+            
+            translate([grp_x,0,grp_z/2])
+            rotate([0,0,45])
+            cube([5,1,grp_z+1], center = true);
+        }
+        
+        // triangular catch
+        translate([0,tri_d,-tri_z])
+        difference() {
+            cube([grp_x,tri_y,tri_z]);
+        
+            translate([-1,tri_y,tri_z])
+            rotate([tri_a-180,0,0])
+            cube([grp_x+2,tri_y,tri_z]);
+        }
+    }
+}