diff --git a/index.js b/index.js
index e00a027..3ad72ef 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,12 @@
-const fs = require('fs');
-const pcbStackup = require('pcb-stackup');
+const fs          = require('fs');
+const pcbStackup  = require('pcb-stackup');
+const sharp       = require('sharp');
+
+// Configuration
+const resizeWidth = 600;
+const density = 1000;
+const compLevel = 1;
+const destfile = './gerber/pcb3.png';
 
 async function writeSVG(filepath, data) {
   try {
@@ -10,15 +17,11 @@ async function writeSVG(filepath, data) {
 }
 
 const fileNames = [
-  './gerber/default/copper_bottom.gbr',
   './gerber/default/copper_top.gbr',
   './gerber/default/drill_1_16.xln',
-  './gerber/default/silkscreen_bottom.gbr',
   './gerber/default/silkscreen_top.gbr',
-  './gerber/default/soldermask_bottom.gbr',
   './gerber/default/soldermask_top.gbr',
   './gerber/default/solderpaste_top.gbr',
-  './gerber/default/solderpaste_bottom.gbr',
   './gerber/default/profile.gbr',
 ]
 
@@ -28,5 +31,19 @@ const layers = fileNames.map(filename => ({
 }));
 
 pcbStackup(layers).then(stackup => {
-  writeSVG('./gerber/pcb.svg', stackup.top.svg);
-});
\ No newline at end of file
+  // Create buffer from SVG string
+  sharp(Buffer.from(stackup.top.svg), { density: density })
+  .resize({ width: resizeWidth })
+  .png({ 
+    compressionLevel: compLevel })
+  .toFile(destfile)
+  .then((info) => {
+    console.log(info)
+  })
+  .catch((e) => {
+    console.error(e);
+  })
+})
+.catch((e) => {
+  console.error(e);
+});
diff --git a/package-lock.json b/package-lock.json
index 10ded0d..682dfaf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,6 +14,117 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-13.13.40.tgz",
       "integrity": "sha512-eKaRo87lu1yAXrzEJl0zcJxfUMDT5/mZalFyOkT44rnQps41eS2pfWzbaulSPpQLFNy29bFqn+Y5lOTL8ATlEQ=="
     },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+    },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
+    "array-flatten": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-3.0.0.tgz",
+      "integrity": "sha512-zPMVc3ZYlGLNk4mpK1NzP2wg0ml9t7fUgDsayR5Y5rSzxQilzR9FGu/EH2jQOcKSAeAfWeylyW8juy3OkWRvNA=="
+    },
+    "base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+    },
+    "bl": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.0.3.tgz",
+      "integrity": "sha512-fs4G6/Hu4/EE+F75J8DuN/0IpQqNjAdC7aEQv7Qt8MHGUH7Ckv2MwTEEeN9QehD0pfIDkMI1bkHYkKy7xHyKIg==",
+      "requires": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
+    "buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "requires": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
+    "chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+    },
+    "code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+    },
+    "color": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.1.3.tgz",
+      "integrity": "sha512-xgXAcTHa2HeFCGLE9Xs/R82hujGtu9Jd9x4NW3T34+OMs7VoPsjwzRczKHvTAHeJwWFwX5j15+MgAppE8ztObQ==",
+      "requires": {
+        "color-convert": "^1.9.1",
+        "color-string": "^1.5.4"
+      }
+    },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "requires": {
+        "color-name": "1.1.3"
+      },
+      "dependencies": {
+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+        }
+      }
+    },
     "color-name": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
@@ -28,11 +139,77 @@
         "simple-swizzle": "^0.2.2"
       }
     },
+    "console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+    },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+    },
+    "decompress-response": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-4.2.1.tgz",
+      "integrity": "sha512-jOSne2qbyE+/r8G1VU+G/82LBs2Fs4LAsTiLSHOCOMZQl2OKZ6i8i4IyHemTe+/yIXOtTcRQMzPcgyhoFlqPkw==",
+      "requires": {
+        "mimic-response": "^2.0.0"
+      }
+    },
+    "deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
+    },
+    "delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+    },
+    "detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
+    },
+    "end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "requires": {
+        "once": "^1.4.0"
+      }
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
       "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
+    "expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
+      "integrity": "sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg=="
+    },
+    "fs-constants": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
+      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
+    },
+    "gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "requires": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      }
+    },
     "gerber-parser": {
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/gerber-parser/-/gerber-parser-4.2.4.tgz",
@@ -75,16 +252,49 @@
         "xml-element-string": "^1.0.0"
       }
     },
+    "github-from-package": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/github-from-package/-/github-from-package-0.0.0.tgz",
+      "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4="
+    },
+    "has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+    },
+    "ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="
+    },
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "ini": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew=="
+    },
     "is-arrayish": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
       "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ=="
     },
+    "is-fullwidth-code-point": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+      "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+      "requires": {
+        "number-is-nan": "^1.0.0"
+      }
+    },
+    "isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+    },
     "lodash.fill": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/lodash.fill/-/lodash.fill-3.4.0.tgz",
@@ -110,11 +320,93 @@
       "resolved": "https://registry.npmjs.org/lodash.padstart/-/lodash.padstart-4.6.1.tgz",
       "integrity": "sha1-0uPuv/DZ05rVD1y9G1KnvOa7YRs="
     },
+    "lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "requires": {
+        "yallist": "^4.0.0"
+      }
+    },
+    "mimic-response": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-2.1.0.tgz",
+      "integrity": "sha512-wXqjST+SLt7R009ySCglWBCFpjUygmCIfD790/kVbiGmUgfYGuB14PiTd5DwVxSV4NcYHjzMkoj5LjQZwTQLEA=="
+    },
+    "minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+    },
+    "mkdirp-classic": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz",
+      "integrity": "sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A=="
+    },
+    "napi-build-utils": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/napi-build-utils/-/napi-build-utils-1.0.2.tgz",
+      "integrity": "sha512-ONmRUqK7zj7DWX0D9ADe03wbwOBZxNAfF20PlGfCWQcD3+/MakShIHrMqx9YwPTfxDdF1zLeL+RGZiR9kGMLdg=="
+    },
+    "node-abi": {
+      "version": "2.19.3",
+      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-2.19.3.tgz",
+      "integrity": "sha512-9xZrlyfvKhWme2EXFKQhZRp1yNWT/uI1luYPr3sFl+H4keYY4xR+1jO7mvTTijIsHf1M+QDe9uWuKeEpLInIlg==",
+      "requires": {
+        "semver": "^5.4.1"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+        }
+      }
+    },
+    "node-addon-api": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-3.1.0.tgz",
+      "integrity": "sha512-flmrDNB06LIl5lywUz7YlNGZH/5p0M7W28k8hzd9Lshtdh1wshD2Y+U4h9LD6KObOy1f+fEVdgprPrEymjM5uw=="
+    },
     "node-stream-zip": {
       "version": "1.12.0",
       "resolved": "https://registry.npmjs.org/node-stream-zip/-/node-stream-zip-1.12.0.tgz",
       "integrity": "sha512-HZ3XehqShTFj9gHauRJ3Bri9eiCTOII7/crtXzURtT14NdnOFs9Ia5E82W7z3izVBNx760tqwddxrBJVG52Y1Q=="
     },
+    "noop-logger": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/noop-logger/-/noop-logger-0.1.1.tgz",
+      "integrity": "sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI="
+    },
+    "npmlog": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
+      "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
+      "requires": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
+      }
+    },
+    "number-is-nan": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+    },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "requires": {
+        "wrappy": "1"
+      }
+    },
     "pcb-stackup": {
       "version": "4.2.5",
       "resolved": "https://registry.npmjs.org/pcb-stackup/-/pcb-stackup-4.2.5.tgz",
@@ -145,6 +437,65 @@
         "xtend": "^4.0.2"
       }
     },
+    "prebuild-install": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-6.0.0.tgz",
+      "integrity": "sha512-h2ZJ1PXHKWZpp1caLw0oX9sagVpL2YTk+ZwInQbQ3QqNd4J03O6MpFNmMTJlkfgPENWqe5kP0WjQLqz5OjLfsw==",
+      "requires": {
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+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.4.tgz",
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+      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
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+        "color": "^3.1.3",
+        "detect-libc": "^1.0.3",
+        "node-addon-api": "^3.1.0",
+        "npmlog": "^4.1.2",
+        "prebuild-install": "^6.0.0",
+        "semver": "^7.3.4",
+        "simple-get": "^4.0.0",
+        "tar-fs": "^2.1.1",
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+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
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+    "simple-concat": {
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+      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.1.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-4.0.0.tgz",
+      "integrity": "sha512-ZalZGexYr3TA0SwySsr5HlgOOinS4Jsa8YB2GJ6lUNAazyAu4KG/VmzMTwAt2YVXzzVj8QmefmAonZIK2BSGcQ==",
+      "requires": {
+        "decompress-response": "^6.0.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      },
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+        "decompress-response": {
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+          "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
+          "integrity": "sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==",
+          "requires": {
+            "mimic-response": "^3.1.0"
+          }
+        },
+        "mimic-response": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
+          "integrity": "sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ=="
+        }
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       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
@@ -178,6 +594,16 @@
         "is-arrayish": "^0.3.1"
       }
     },
+    "string-width": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+      "requires": {
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+        "is-fullwidth-code-point": "^1.0.0",
+        "strip-ansi": "^3.0.0"
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     "string_decoder": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
@@ -186,6 +612,50 @@
         "safe-buffer": "~5.2.0"
       }
     },
+    "strip-ansi": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "requires": {
+        "ansi-regex": "^2.0.0"
+      }
+    },
+    "strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+    },
+    "tar-fs": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.1.tgz",
+      "integrity": "sha512-V0r2Y9scmbDRLCNex/+hYzvp/zyYjvFbHPNgVTKfQvVrb6guiE/fxP+XblDNR011utopbkex2nM4dHNV6GDsng==",
+      "requires": {
+        "chownr": "^1.1.1",
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^2.1.4"
+      }
+    },
+    "tar-stream": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
+      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
+      "requires": {
+        "bl": "^4.0.3",
+        "end-of-stream": "^1.4.1",
+        "fs-constants": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
+      }
+    },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
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     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -204,6 +674,24 @@
         "xtend": "^4.0.2"
       }
     },
+    "which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs="
+    },
+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
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@@ -216,6 +704,11 @@
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+    },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     }
   }
 }
diff --git a/package.json b/package.json
index f1cd578..34cc01f 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
   "homepage": "https://github.com/nplayfair/npe_gerber#readme",
   "dependencies": {
     "node-stream-zip": "^1.12.0",
-    "pcb-stackup": "^4.2.5"
+    "pcb-stackup": "^4.2.5",
+    "sharp": "^0.27.0"
   }
 }