Welcome to topocad! This repo contains utilities for topography-based 3D modeling using CAD + python scripting tools. To get started, check out the code or the example notebook.

Here's an example of a 3D topo model of Boulder, Colorado. The three spatial axes are to-scale and based on the DEM from USGS. The model is designed to be printed at a footprint of approximately 100mm x 100mm with approximately 7 pixels per mm. The 10m DEM was coarsened by 3x to produce the model. The model took 6 minutes to create on an M1 Macbook Air.

1/3 arc-second (approx. 10m) DEM from USGS: https://apps.nationalmap.gov/downloader/

CAD scripting is with CADQuery: https://cadquery.readthedocs.io/en/latest/index.html

Autodesk model viewer web app (free): https://viewer.autodesk.com/

Services for making 3D prints of topo models: https://www.shapeways.com/

1. git clone [email protected]:grantbuster/topocad.git
2. cd topocad
3. pip install -e .
4. conda install -c conda-forge cadquery