Finished and installed. Works great! Will post final pics soon. Didn’t take any construction pics. Plans updated.

Materials include:
1/4″ MDF board
3/4″ MDF scraps for bracing
#6×1″ drywall screws
Wood Glue
LED light strip (ebay)
momentary switch (old microwave door switch from the parts bin)
magnetic latch
12″ piano hinge
Speaker carpet (gray)
3M Super 77 spray adhesive (or equal)
Black spray paint

Tools used:
table saw
radial arm saw
band saw
Drill/driver
#6 countersink bit
Philips driver bit
Philips screw driver
various drill bits
Dremel
drum sander
bench grinder (to grind screws in a few places)
tape measure
square
straight edge
pencil

Construction time (estimated): 12+ hours

Bottom View with bracing

Side view shows piano hinge inlaid

Side/Front with hand brake slot

Top open showing magnetic closure, piano hinge, light switch and light enclosure

Light switch. Wire will be hidden when finally connected. I need to paint the inside black before finishing the switch install.

Magnetic closure

Uninstalled LED light strip.

View from inside showing installed LED light strip.

Carpeted and installed.

Installed. Night photo showing inside lights.

Installed. Close up night photo showing inside lights.