Perspex Prism

[rp]

Does anybody know where I can get a big perspex prism to show lasers through.
30cm wide by about 20cm deep.
A student borrowed mine for Art,filled it full of water and then dropped it.
Needless to say it broke!
Rhonda

[Ocker]

The glue for perspex is chloroform, if you haven't thrown it yet

[rp]

Thanks but it is beyond fixing. I wonder what everybody else uses?
Rhonda

[Ocker]

I have a big bottle (5L) with spout at bottom fit with cork and bent glass tube
Aim laser through into tube and bend beam total internan reflection