You can build your own spiral staircase with the contents of this box. You just need a few power tools and, oddly enough, some hot water. You can order the kit here. Follow Tech Insider ...
This DIY spiral stair is made out of 3/4" plywood. I used a small CNC machine from Inventables to make this for my Boston loft. USAID signs pulled from HQ as judge puts 'limited' block on Trump ...