Build a Birch and Mahogany Home Theater PC





Introduction: Build a Birch and Mahogany Home Theater PC

   This is a home theater PC I built from mostly spare parts.  It was designed to be as compact and quiet as possible, given the parts I used, and also not look intrusive in a living room setting.

Step 1: Components, Tools, and Materials

First of all, you will need all the hardware required for a fully functioning computer:  A Motherboard, CPU, RAM, Video card, Power Supply, Hard Drive, DVD Drive, and an cooling components.

To build the case, you will need:

1/4" sheet of marine mahogany
3/4" sheet of birch veneer plywood
12' of 3/4" aluminum angle bar
"L" brackets and screws
Lots of machine screws and nuts
Scrap of sheet steel- I cut mine from an old CD player
Perforated aluminum sheet, "Modders Mesh"
2 large momentary push buttons


Wood Saw
Dremel/Rotary tool
Sand paper
Screw drivers

Step 2: Building the Motherboard Tray

I built my motherboard tray out of a scrap bit of metal cut out of an old CD player.  I used this, because the height of the folded up part on the left happened to be almost the exact height of the video card I used.   The motherboard needs to be raised from the surface, so I mounted standoffs in the proper positions.  I also cut a hole for the back panel out of the side of the metal.  To secure the video card, I drilled a hole in the top lip of the metal.  The video card is bolted to this through the hole in the low profile back panel adapter.

Step 3: DVD Drive Mount

To save space, I decided to mount the DVD drive directly to the bottom of the motherboard tray.  To do this, I just cut the aluminum drive bracket out of an old laptop, and screwed it to the bottom of the motherboard tray.  I glued sheets of felt to the top and bottom of the slot in order to eliminate vibrations.

Step 4: Building the Frame

I decided to build the internal frame of the case out of aluminum angle bars, because it is light, versatile, and easy to work with.  The design had to be as compact as possible, but the case also had to be well ventilated and parts had to be relatively easy to install.  All the parts were drilled and bolted together with hex nuts- the same ones used in erector sets.

Step 5: Building the Frame, Cont.

To mount the hard drive, I added another bar of aluminum along the bottom, and drilled it to fit the holes in the HDD.

I cut holes in the motherboard tray adjacent to the 24 pin power socket and the IDE socket, to make routing cables easier.  Once your frame is finished, take some time to practice installing the hardware, as there will probably be some installation quirks with your case.  For example, you have to screw in the hard drive in mine before you screw in the PSU, because if you don't, the screw holes on one side are inaccessible.  These are not big issues, but it is good to take note of them.  Especially practice routing cables, as this is probably the most difficult thing to do in a cramped space.

Step 6: Building the Outside of the Case

Most of the outside of the case is made of birch plywood, but the front is a strip of marine mahogany left over from the boat I am building.  I cut notches in the plywood, so the mahogany just slides in.  The plywood is held together with brass "L" brackets.

The case needs to be well ventilated, especially since I am using a passively cooled GPU, so I made the top of the case out of aluminum modders mesh.  I cut the sheet a few inches wider than the case, and folded in the edges.  To fix the aluminum to the wood, simply screw it in from the inside with a few wood screws.  Make sure you can remove them though, as it is best to fix the aluminum after you sand and finish the wood.

I designed the exterior of the case so that the aluminum frame, and all the computer hardware, can slide out of the case, giving easy access to the hardware.

Step 7: Building the Outside of the Case, Cont.

If you have been paying close attention, you may have noticed that the intake fan on the PSU is facing directly into a solid piece of plywood.  To fix this problem, I cut a series of slots in the side panel of the case using a jigsaw and the router dremel attachment, and cleaned them up with lots of sanding.  

There also needs to be a way to mount the switches to the outside of the case.  I did this by simply drilling two holes of the same diameter as the switches in the mahogany front panel.

Step 8: DVD Drive Slot

One of the downsides to having a cool slot-loading DVD drive is that you have to cut a slot in your case that is perfectly aligned with your DVD drive.  I marked the drive by removing the aluminum from the case, installing the frame with the DVD drive, and inserting a CD part way into the drive before hand.  This lets you see where the CD touches the mahogany, so you can mark it to be cut.  I did the actual cutting with a dremel.  Be very careful when you do this and go very slowly, or it will probably look bad.  Finish the slot out by sanding the inside edges.

Step 9: Integrating the Wireless Card

The particular motherboard I used only had 2 back panel USB ports, so I decided to mount the wireless card to the internal USB header.  I started by stripping the wireless card of its casing, and screwing it into the bottom corner of the aluminum frame.  I insulated it with strips of electrical tape along the bottom, and I drilled a slot that served as a hinge for the antenna.  I mounted a two port USB panel from the front of an old case next to the wireless card, and connected it to the motherboard's USB header and the wireless card using an extra short USB cable I made.

Step 10: Finishing the Wood and Aluminum

To finish the wood, I chose to use gel varnish, which gives the mahogany a fantastic color.  I also sprayed the aluminum with a coat of clear acrylic, which evens out the color and prevents oxidation.  This would also be a good time to add rubber feet to the bottom of the case.

Step 11: Assembly

Install all your hadware into your internal frame, and then install the frame into the case.  To attach the DVD and Power switches from the front of the case to the motherboard, I wired the switches to a spare molex connector.  This way, whenever I need to remove the hardware, I simply unplug the switches and pull out the frame with the components.  I also added a metal lip to the bottom of the frame, so it can screw into the base of the wood and prevent the hardware from sliding out by accident.

Step 12: Eye Candy

Here are the final pictures.  You can view this project, as well as others, on my blog, which can be found here:



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    I have an old NetBook for a home theater. Running Linux Xbmc. Runs perfect.

    Very nice project, Technochicken. I had the same response as Greyfox1143 -I love the retro look and the overall aesthetic.

    If I was building it (and I'm thinking of doing just that for a HTPC project), I would probably replace the bolts in the frame with aluminum "pop" rivets once I was satisfied with the structure of the frame. I'd probably also edge-band the plywood (or even use solid wood, especially for the side panels).

    Your other 'ibles look interesting too. Keep up the good work!

    Why not upload this to ?

    Cool I like the idea of sticking a DVD into a chunk of wood.

    not bad! id make the dvd slot wider so it isnt scratshed or if you have one with a tray you woul mount the wood on the front sits covered up

    have you considered using edge banding on the two pieces of birch? they have it at most woodworking shops

    you did a beautiful job on this project

    Reminds me of a project I started about 20 years ago - a wooden computer desk with the computer actually built into the desk. I never got it off the paper. But with smaller computer parts, flat screens and cheaper mounts, it would be quite feasible these days.

    im doing pretty much the same thing, except im making my desk out of cardboard (read the cardboard furniture instructable) and you are right, it would be more than quite feasible, it would be pretty easy.

    Great work, good pictures and well commented! Btw, will you continue this project and show us what you installed on this machine?