<p>PTFE tubes are typically delivered coiled up. And because they are quite stiff, they always want to spring back to their original curvy shape, making them harder to route properly.</p>

<p>Is there a way to straighten them out?</p>

[{'answer_id': 3681, 'author': 'Roger Belk', 'author_id': 5748, 'author_profile': 'https://3dprinting.stackexchange.com/users/5748', 'pm_score': 2, 'selected': False, 'text': '<p>I just plugged the ends of tube and soaked it in real warm water for 5 minutes then stretched it out on a table. That helped then the hard part I spooling it up against the arch and soaked it again. This seem to work the best. </p>\n'}, {'answer_id': 9825, 'author': 'duffy', 'author_id': 16312, 'author_profile': 'https://3dprinting.stackexchange.com/users/16312', 'pm_score': 2, 'selected': False, 'text': '<p>You could use a hairdryer to introduce a spot-bend where you need it.</p>\n'}, {'answer_id': 10699, 'author': '0scar', 'author_id': 5740, 'author_profile': 'https://3dprinting.stackexchange.com/users/5740', 'pm_score': 2, 'selected': False, 'text': '<p>A colleague of me puts spring steel wires in the tubes and leaves the tubes on the central heating for a certain amount of time (probably hotter than 60&nbsp;&deg;C).</p>\n'}]
['https://3dprinting.stackexchange.com/questions/3394', 'https://3dprinting.stackexchange.com', 'https://3dprinting.stackexchange.com/users/1998/']