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DIY front surface mirror.

video DIY front surface mirror.

Easy and fast way to make
cheap FS mirrors for
your laser projects.

More details

19 comments

Apr 15, 2012. 2:14 PMeinnis says:

I'm not certain, but I'd think you could use the same paint-thinner trick to wipe the label off of a CD or DVD.

It may only work on certain brands, and with certain thinners. I'd imagine older disks that have poor labels would do best, but that's just a guess.

Most likely CD's and DVD's clear-coat the top with some kind of enamel. Similar to a clear nail polish to keep finger nail color lasting longer. Perhaps some nail polish remover might work on some disks, but that'd take some trial-and-error to figure out.

You'd want a disk where the foil isn't actually embedded in the disk. I'd bet double-sided disks won't work because of this. They'd be shiny and reflective, but they'd always have a layer of plastic on top of the foil layer.

You'd probably want to use a never-been-burned-before disk for best results.

Apr 15, 2012. 9:37 PM

AP Digital light (author) says:

I've tried separate layers of blank DVD and use it as mirror but result wasn't perfect. DVD surface acts like diffraction grating and causes multireflection.

Jul 11, 2011. 3:26 PMmcshawnboy says:

Would this work for building kaleidoscopes ? Randofo's recent newsletter had UR "Laser Spirograph" and I just kept following links. Thanks!

Jul 12, 2011. 12:48 AM

AP Digital light (author) says:

Yes. You can use this technique to make FS mirrors for any project.

Jan 4, 2010. 3:09 PMdnelaa says:

great work man - really !!

few questions if i may ask.

1- what was this green sticker on the mirror- is it paper made?
in what side did you put it - on the mirror side or the upside.

2- is it possible to do it for a real glass mirror

3- can this DIY front surface mirror be effective for like for cameras or for DIY LCD projector ?

sorry if my English is not clear - hop you understand.

Thank you!

Jan 5, 2010. 2:13 AM

AP Digital light (author) says:

1 green sticker is paper masking tape. It's not really necessary but I use for marking and protection purpose
It's more convenient when circle is marked on paper base than oh plastic when it 's easy to smear marker during work.
Tape is applied to back side of the mirror because at back side reflective layer is protected only by thing coat of paint so it can be accidentally damaged.

2 Yes, but can only remove paint from back side of glass mirror. Don't even try to cut glass and shape it with regular file! For my project I needed round mirrors so I worked with acrylic.

3 Yes but you should remember that reflective coating is very gentle and easy to damage.
The best way to remove paint is to dip mirror in tank with paint remover then, after paint get loose, remove mirror and rinse it with distilled water.
You should use rubber gloves and handle mirror by edges.

I suggest you to use water based and non toxic paint remover.