Produced in Blender with reference to schematics from Batty Langley's 1745 work, *The city and country builder's and workman's treasury of designs*, which can be found on the Internet Archive. Pages relevant to this model are https://archive.org/details/gri_33125001119193/page/n25/mode/2up and https://archive.org/details/gri_33125001119193/page/n27/mode/2up