Introduction: DIY Ligthbox / Light Table

Picture of DIY Ligthbox / Light Table

Simple lightbox/ lighttable

Step 1: Material List

  • 11mm plywood
  • Organic glass
  • LED stripe (battery powered) with remote

Step 2: Cut Sides

Picture of Cut Sides

Cut box sides to 11cm x 40cm size.

To do 45degree bevel cuts, used 45degree router bit (was quicker that adjust saw blade)

Step 3: Some More Cutting

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Cut gap for organic glass and for bottom.

Cut organic glass to match.

Cut bottom.

Routed hole for battery cover.

Step 4: Soldering

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Cut LED stripe to size, glued and soldered then

Step 5: Gluing, Sanding, Painting

Picture of Gluing, Sanding, Painting

Used painers tape to hold parts together - for easier gluing.

Then sanding and covering with oil.

Step 6: Video

Comments

starphire (author)2017-11-08

Notes on powering this with batteries: AA alkaline batteries provide about 2500 milliAmp hours. A 100 LED strip of this style can consume up to 50 x 100 = 5000 milliAmps on full power. So the batteries used here will not last too long - as little as 30 minutes, up to a maximum of several hours at the lowest brightness setting. Using 1.2V NiMH rechargeables instead will give just enough voltage to power the strip at first, but the brightness will be lower and they will also get dimmer as they lose charge.

The remote gives a way to turn off the lights, but the strip controller still uses a little power at all times. That will kill the batteries eventually, so battery power will be wasted if this box will only be turned on from time to time. An external power switch on the box might be a good idea to prevent this. Or one could add a jack for an external power adapter, wired so it automatically switches between battery and AC power.

The best Instructables offer detailed information in the written steps, not a bare minimum that seems meant to drive views of their Youtube channel. Can a beginner understand exactly how to cut and solder the LED strips from this?

simplerandom (author)starphire2017-11-09

Agree about external switch, in case lightbox is used only time to time. Battery holder, what comes with led stripe has built in switch already, I just don't use it.

About cutting and soldering LED stripes - maybe I'm wrong, but for me it seems too simple to go in too much details.

KellyCraig (author)2017-11-08

What on earth is organic glass?

You can also consider using plastic from a dead video monitor. They use nice 1/4" thick acrylic.

You'll have to sand it to create a surface that will diffuse the light.

Mine uses a power supply and dimmer (12 volt dimmer on the output of the xformer). That way, the light can be powered and controlled, but won't have the increased bulk and weight of a switch, and there isn't a dark spot, if the power supply and switch have to be mounted in the box.

Just be sure the power supply can handle the wattage of the LED's you use.

simplerandom (author)KellyCraig2017-11-08

Organic glass is acrylic/ acrylic glass

Any kind of plastic sheet can be used (if it pass light and is strong enough)

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