diff --git a/notes.md b/notes.md
index 0b950923..256c4d8e 100644
--- a/notes.md
+++ b/notes.md
@@ -23,6 +23,8 @@
 
 ## `C` cosmetic, `F` functional, `P` performance, `B` bug fix
 
+* `F` image import borders
+* `F` mesh / stl export (like w/ images, rotate, scale, future cleanup ops)
 * `F` detect and report slow framerates
 * `F` right click / context menu (object deletion, etc)
 * `P` improve decimation speed by avoiding in/out of Point?
diff --git a/src/kiri/main.js b/src/kiri/main.js
index 199815db..d94a569d 100644
--- a/src/kiri/main.js
+++ b/src/kiri/main.js
@@ -959,6 +959,8 @@
             "      <th>&nbsp;invert image</th><td><input id='png-inv' type='checkbox'></td></tr>",
             "  <tr><th>base size</th><td><input id='png-base' value='0' size='3'></td>",
             "      <th>&nbsp;invert alpha</th><td><input id='alpha-inv' type='checkbox'></td></tr>",
+            "  <tr><th>border size</th><td><input id='png-border' value='0' size='3'></td>",
+            "      <th></th><td></td></tr>",
             "  </table></div>",
             "</div>"
         ]};
@@ -967,6 +969,7 @@
                 loadImage(image, {
                     blur: parseInt($('png-blur').value) || 0,
                     base: parseInt($('png-base').value) || 0,
+                    border: parseInt($('png-border').value) || 0,
                     inv_image: $('png-inv').checked,
                     inv_alpha: $('alpha-inv').checked,
                 });
diff --git a/src/kiri/worker.js b/src/kiri/worker.js
index c3b8c4b8..788a5dbc 100644
--- a/src/kiri/worker.js
+++ b/src/kiri/worker.js
@@ -256,20 +256,18 @@ KIRI.worker = {
             let points =
                 width * height + // grid
                 height * 2 + 0 + // left/right
-                width * 2 + 0  - // top/bottom
-                0                // base shared corners
-                ;
+                width * 2 + 0;   // top/bottom
             let flats =
                 ((height-1) * (width-1)) + // surface
-                ((height-1) * 2) + // left/right
-                ((width-1) * 2) + // top/bottom
-                1 // base
-                ;
+                ((height-1) * 2) +         // left/right
+                ((width-1) * 2) +          // top/bottom
+                1;                         // base
             // convert png to grayscale
             let gray = new Uint8Array(width * height);
             let gi = 0;
             let invi = info.inv_image ? true : false;
             let inva = info.inv_alpha ? true : false;
+            let border = info.border || 0;
             for (let y = 0; y < height; y++) {
                 for (let x = 0; x < width; x++) {
                     let di = (x + width * y) * 4;
@@ -278,6 +276,11 @@ KIRI.worker = {
                     let b = data[di+2];
                     let a = data[di+3];
                     let v = ((r + g + b) / 3);
+                    if (border) {
+                        if (x < border || y < border || x > width-border-1 || y > height-border-1) {
+                            v = 255;
+                        }
+                    }
                     if (invi) v = 255 - v;
                     if (inva) a = 255 - a;
                     v *= (a/255);