Each order is a 12" × 12" Enhanced Matte Paper Poster, printed on demand by Printful. The print shows the slope and aspect of whatever location and zoom level is currently centered on the map, rendered at full 300dpi resolution for crisp detail.
Click the route icon to add your own activity tracks as a heatmap overlay. You can select multiple GPX files at once in the upload dialog — overlapping tracks will appear darker, showing your most-traveled routes.
To get your GPX files from Strava: open an activity on strava.com, click the "..." menu, and choose Export GPX. For your full history at once, go to Strava Settings → My Account → Download or Delete Your Account and request a bulk export archive, which includes a GPX file for every activity.
The colored layer shows aspect — the compass direction each slope faces. Three palette options are available on the left side of the map:
If the elevation data for your area looks rough, shows visual artifacts, or you'd like a different print size, email slopeandaspect@gmail.com and we'll get you a quote for a custom print.