Here's how to build a "levitating" coffee table with acrylic legs, that doubles as a whiteboard! We made it at TechShop Pittsburgh, and a full BOM and assembly guide is available in the PDF file below.
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Completion Time: ~6 hours
Materials Required: (Total Cost ~$220)
- 27.75"x55.75" Panel board (which is whiteboard coated)
- 27.75"x55.75"x0.5" Plywood
- Black spray paint (highly recommended: black powder coat paint)
- 8 pieces of 24"x12" clear acrylic sheet (thickness can vary, but at least 0.2")
- 2x56" and 2x28" lengths of 3/4"x3/4"x1/8" steel angle (stock #A1343418)
- Acetone and a rag to clean the steel
- 12 steel corner braces (other places will be cheaper - these match our laser cutter file holes)
- Wood glue
- At least 32 wood screws, #8 1/2"
- Laser Cutter
- Miter cold saw
- Table saw
- Drill press
- Powder gun and oven for powder coating (or other painting method)
Prerequesites: You'll need to know how to...
- Use a laser cutter
- Drill holes with a drill press
- Retain your appendages when using a cold saw and table saw
- Not electrocute yourself with the powder gun (optional, but always helpful)