Machines Room does not stock materials or have any available to purchase.
If you need materials on the day we recommend 4D Model Shop (E1 8EU) which is 30 mins from Containerville on the 254 or 15 mins by bike.
For online orders we recommend: https://hobarts.com/ or https://www.kitronik.co.uk/
For 3D printing we recomend: https://colorfabb.com/ for new filament or https://www.re-filament.com/ for recycled filament
There is a closed loop perspex available called GreenCast: https://amariplastics.com/product/green-cast/
We do not work with PVC or MDF in any of our machines