We checked with our resident AutoCAD Expert, here's what he said: The presenter created a pipe style (In infraworks) called parking stripes2’. It’s a custom style he created to display the parking curbs as pipes. (The expert asked is not the same as who made the video, he said): I’d wager he did the following: 1. Went into the Style Palette, selected the rectangular pipe style under pipelines tab, and created a copy of that 2. Renamed the copy to Parking Stripes2’ 3. Made modifications to the duplicated style (height and width to be a curb size of 2’), then used that when connecting to the DXF file