We have 2x 3D printers:
Using the printers costs £1.50/hour of printing + 50p/meter of filament. Octoprint gives you both of these.
Training is required. There is a cost of £5 to be trained, payable to the trainer.
Current trainer/maintainers are: cptPrime (Timour), tgreer (Thomas) James N
Training Wiki page: https://wiki.london.hackspace.org.uk/view/Lulzbot_Mini_Training
All prints are to be logged via : http://goo.gl/forms/ARNWXexh7zXHSq8p1