https://github.com/grantbuster/topocad

Topography-based 3D modeling using CAD + python scripting tools
https://github.com/grantbuster/topocad

3d-models 3d-printing cad computer-aided-design solid-modeling topographic-maps topography

Last synced: about 1 month ago
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Topography-based 3D modeling using CAD + python scripting tools

• Host: GitHub
• URL: https://github.com/grantbuster/topocad
• Owner: grantbuster
• License: mit
• Created: 2024-02-11T19:45:42.000Z (10 months ago)
• Default Branch: main
• Last Pushed: 2024-11-12T00:14:42.000Z (about 1 month ago)
• Last Synced: 2024-11-12T01:19:34.662Z (about 1 month ago)
• Topics: 3d-models, 3d-printing, cad, computer-aided-design, solid-modeling, topographic-maps, topography
• Language: Jupyter Notebook
• Homepage:
• Size: 13.3 MB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# topocad

Welcome to topocad! This repo contains utilities for topography-based 3D

modeling using CAD + python scripting tools. To get started, check out the 

[code](https://github.com/grantbuster/topocad/blob/main/topocad/topocad.py) 

or the 

[example notebook](https://github.com/grantbuster/topocad/blob/main/example/example.ipynb). 

## Gallery

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. 

![alt text](https://github.com/grantbuster/topocad/blob/main/boulder_model_capture.png?raw=true)

## Resources:

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/ | https://craftcloud3d.com/

## Installation

1. `git clone [email protected]:grantbuster/topocad.git`

2. `cd topocad`

3. `pip install -e .`

4. `conda install -c conda-forge cadquery`