pre-bemis

rpi-case/.claude/skills/openscad/examples/phone_stand.scad

@@ -0,0 +1,95 @@
+// Adjustable Phone/Tablet Stand
+// Parametric stand with customizable angle and size
+
+// === Device Parameters ===
+device_width = 80;       // [50:200] Device width in mm
+device_thickness = 12;   // [6:20] Device thickness (with case)
+
+// === Stand Parameters ===  
+stand_angle = 65;        // [45:85] Viewing angle in degrees
+stand_depth = 80;        // [50:150] Base depth in mm
+stand_height = 100;      // [60:200] Back support height in mm
+
+// === Construction ===
+material_thickness = 4;  // [2:0.5:8] Material thickness
+slot_depth = 15;         // [10:30] How deep device sits in slot
+
+// === Features ===
+cable_hole = true;       // Add cable pass-through hole
+cable_diameter = 15;     // [8:25] Cable hole diameter
+add_feet = true;         // Add anti-slip feet
+
+// === Quality ===
+$fn = 48;
+
+module stand_profile() {
+    // 2D profile of the stand side
+    polygon([
+        [0, 0],                                          // Front bottom
+        [stand_depth, 0],                                // Back bottom
+        [stand_depth, material_thickness],               // Back bottom inner
+        [stand_depth - material_thickness, material_thickness], // Base top back
+        [slot_depth + material_thickness, material_thickness],  // Base top front (behind slot)
+        [slot_depth + material_thickness, slot_depth * tan(90 - stand_angle) + material_thickness], // Slot back
+        [material_thickness, slot_depth * tan(90 - stand_angle) + material_thickness + device_thickness / sin(stand_angle)], // Slot front top
+        [0, slot_depth * tan(90 - stand_angle) + material_thickness], // Front face bottom of slot
+        [0, 0]                                           // Close
+    ]);
+}
+
+module back_support() {
+    // Back angled support
+    translate([stand_depth - material_thickness, 0, material_thickness]) {
+        rotate([0, -90 + stand_angle, 0]) {
+            cube([stand_height, device_width, material_thickness]);
+        }
+    }
+}
+
+module cable_cutout() {
+    if (cable_hole) {
+        translate([stand_depth/2, device_width/2, -1])
+            cylinder(h = material_thickness + 2, d = cable_diameter);
+    }
+}
+
+module foot() {
+    cylinder(h = 2, d1 = 10, d2 = 8);
+}
+
+module stand() {
+    difference() {
+        union() {
+            // Left side
+            linear_extrude(material_thickness)
+                stand_profile();
+            
+            // Right side
+            translate([0, device_width - material_thickness, 0])
+                linear_extrude(material_thickness)
+                stand_profile();
+            
+            // Base plate
+            cube([stand_depth, device_width, material_thickness]);
+            
+            // Front lip
+            cube([material_thickness, device_width, slot_depth * tan(90 - stand_angle) + material_thickness]);
+            
+            // Back support
+            back_support();
+        }
+        
+        // Cable hole
+        cable_cutout();
+    }
+    
+    // Feet
+    if (add_feet) {
+        translate([10, 10, 0]) foot();
+        translate([10, device_width - 10, 0]) foot();
+        translate([stand_depth - 10, 10, 0]) foot();
+        translate([stand_depth - 10, device_width - 10, 0]) foot();
+    }
+}
+
+stand();