Plastic Molded Stackable Furniture

This is a project I did about a year ago. I took a sketch like the 20 or so I have already posted and started resolving it in Solidworks a design/engineering software. From there I developed some nice presentation pages and model. This is what I am going to do with some of the concepts that I have been working on for the last month and over the coming months.

Solidworks Renderings of the Plastic Furniture: