Know How... 163

Paving specialist "TARMAC" has come up with a concrete mix that they market as "fast draining", Glowforge the 3D Laser Printer, rapid prototyping with 3D printers, and build your own TWiT Badge.

TWiT Badge Files

TWiTBadge Battery Lid

TWiTBadge Diffuser

TWiTBadge Inner Circle Diffuser

TWiTBadge Lid

TWiTBadge Enclosure

TWiTBadge Logo

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Links

• Glowforge the 3D laser Printer
• TARMAC - Permeable concrete system