Weed wacker line as 3D printing filament

Weed wacker string available

5lb spool is 2.27 kg so $30/5lbs ~ $13/kg; most commercial 3-D printer filament runs $18-50+/kg for comparison.

Type of string	Cost per kilogram (most cost effective option)	Thickness (diameter, mm)	Source
Magnum Gatorline™ Dual Polymer String Trimmer Line (5-lb. spool)	$31.35	2.032	http://www.gemplers.com/product/217766/Magnum-Gatorline-Dual-Polymer-String-Trimmer-Line?gclid=CIW1tMWN3McCFYsDaQodpjsEkg&sku=217766&CID=25SEPLA&ef_id=VejjdAAAAbnhSj3@:20150904001900:s
Magnum Gatorline™ Dual Polymer String Trimmer Line (5-lb. spool)	$30.86	2.413	http://www.gemplers.com/product/217766/Magnum-Gatorline-Dual-Polymer-String-Trimmer-Line?gclid=CIW1tMWN3McCFYsDaQodpjsEkg&sku=217766&CID=25SEPLA&ef_id=VejjdAAAAbnhSj3@:20150904001900:s
Cross-Fire 282 ft. 0.095 in. Premium Nylon Trimmer Line (1-lb. pack)	$34.57	2.413	http://www.homedepot.com/p/ECHO-Cross-Fire-282-ft-0-095-in-Premium-Nylon-Trimmer-Line-311095063/100328751
Magnum Gatorline™ Dual Polymer String Trimmer Line (5-lb. spool)	$30.86	2.667	http://www.gemplers.com/product/217766/Magnum-Gatorline-Dual-Polymer-String-Trimmer-Line?gclid=CIW1tMWN3McCFYsDaQodpjsEkg&sku=217766&CID=25SEPLA&ef_id=VejjdAAAAbnhSj3@:20150904001900:s
Magnum Gatorline™ Dual Polymer String Trimmer Line (5-lb. spool)	$30.86	3.302	http://www.gemplers.com/product/217766/Magnum-Gatorline-Dual-Polymer-String-Trimmer-Line?gclid=CIW1tMWN3McCFYsDaQodpjsEkg&sku=217766&CID=25SEPLA&ef_id=VejjdAAAAbnhSj3@:20150904001900:s
Magnum Gatorline™ Dual Polymer String Trimmer Line (5-lb. spool)	$30.86	3.937	http://www.gemplers.com/product/217766/Magnum-Gatorline-Dual-Polymer-String-Trimmer-Line?gclid=CIW1tMWN3McCFYsDaQodpjsEkg&sku=217766&CID=25SEPLA&ef_id=VejjdAAAAbnhSj3@:20150904001900:s
Magnum Gatorline™ Dual Polymer String Trimmer Line (5-lb. spool)	$30.86	4.318	http://www.gemplers.com/product/217766/Magnum-Gatorline-Dual-Polymer-String-Trimmer-Line?gclid=CIW1tMWN3McCFYsDaQodpjsEkg&sku=217766&CID=25SEPLA&ef_id=VejjdAAAAbnhSj3@:20150904001900:s