Chinese Dept Store 20K kit

its 350 x 80 x 180mm that should be enough for everything

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Hmmmmm..... My case is 450 X 300 X 150...My RGB optical bench is 300 X 150 so fits in one end, the rest of the space carries the electronics...My kit is quite widely spaced so you could save some room there, but I feel your box may be a shoe-horn job.......Look at the photo's in this thread.
Now that the laser power supplies are fitted and things have been moved around there is far less space than shown.
As you have the case it has got to be worth a try though

im just wondering what i could use like material to protect the opening

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I have used a lens ring from an old camera to which I can fit a lens cap when the projector is not in use.

Regards rog8811

I have used a lens ring from an old camera to which I can fit a lens cap when the projector is not in use.

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Ah yes, thats a great idea i didnt think of that thanks
and what about something like this?

www[dot]dealextreme[dot]com/details.dx/sku.5948

and what about something like this?

www.dealextreme.com/details.dx/sku.5948

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You will get back reflections from it which may hit the mirrors and re-project, mucking up your patterns (only a guess).

Regards rog8811

I have been asked for some pictures on a PM, they are not the most up to date but give an idea of where I am......

On the pictures above are the individual laser supplies (CC), this one shows the Primary supplies (CV) with heat sinks and fan.......

Light bench up and running.............

This last one shows the light paths that are possible with the PS3 cubes.....

Hope that helps

Regards rog8811

Thanks for the pictures!
Very nice setup, advanced stuff on a budget...I like that! How do you blank the blurays, homebuilt driever?
Oh, and are the galvo drivers open or closed loop?

Opto isolators for blanking and yes the galvo's are closed loop.

Regards rog8811