I used SketchUp Make 2017 (the free version) to model my shop a few years ago. I had a good idea of what I wanted to put in the shop, but was not sure if everything would fit. The Trimble 3D Warehouse had files for some of the equipment I had, or versions that was close enough. I had to create a model for my Minimax SC2C saw, the dust collection ducting, and the filter plenum for the DC system. I found the 3D SketchUp files for the DeWalt DWS780 miter saw, Jet JSG-96 sander, Sjöbergs work bench, as well as generic table top drill press, compressor, band saw, and a jointer/planer. I imported my mitersaw workstation file to complete the shop layout.
I put my DC and compressor in a closet, but could have made the closet a bit larger. This is a rendering of the fitted out shop with some of the ducting and overhead obstructions removed for clarity.

Being able to model the shop first was a great help, and it was easy enough to do in SketchUp.
Since the design and build, I made some changes to the ducting and mitersaw station, added a Record Power AC400 air filter, and replaced the DWS780 with a Kapex 120. This is what my shop looked like before I expanded into the adjacent room. I moved the Sjöbergs bench, drill press, and tool wall into the other room. Aside from the Kapex, which is connected to a dedicated CTL-36, only the equipment that needs to be connected to the large DC system is in this room.
