Converts PDF Type1 data to PFB file

t1bin.diff

diff --git a/src/fonts.js b/src/fonts.js
index fb5f541..fdde476 100644
--- a/src/fonts.js
+++ b/src/fonts.js
@@ -5514,6 +5514,16 @@ var Type1Font = function Type1Font(name, file, properties) {
   this.charstrings = charstrings;
   this.data = this.wrap(name, type2Charstrings, this.charstrings,
                         subrs, properties);
+
+  // creating Type1 binary file
+  properties.pfbFile = 'data:application/x-font-type1;base64,' + btoa(
+  '\x80\x01' + String.fromCharCode(properties.length1 & 255, (properties.length1 >> 8) & 255,
+  (properties.length1 >> 16) & 255, (properties.length1 >>> 24) & 255) + bytesToString(headerBlock) +
+  '\x80\x02' + String.fromCharCode(properties.length2 & 255, (properties.length2 >> 8) & 255,
+  (properties.length2 >> 16) & 255, (properties.length2 >>> 24) & 255) + bytesToString(eexecBlock) +
+  '\x80\x01\x14\x02\x00\x00' +
+  Array(9).join('0000000000000000000000000000000000000000000000000000000000000000\n') +
+  'cleartomark\r\x80\x03');
 };
 
 Type1Font.prototype = {

Convert to OTF: makeotf -f font.pfb -o font.otf (see FDK; for windows use makeotfexe)

/cc @brendandahl