Full-Color Binder Jet Sandstone Tactile Terrain Models

Full-Color Binder Jet Sandstone Tactile Terrain Models

facfox-case-study
Process 3D Print, Paint
Material Other
Quantity 1 pcs
Price Range $1-100
Lead Time 4 workdays

Gallery

About Project

This collection shows how full-color Binder Jetting can translate geographic information into physical terrain displays, from individual mountains and islands to regional relief maps, transportation corridors, and a large topographic map of China.

Elevation data defines the three-dimensional landform, while mapped colors distinguish forests, deserts, snowfields, water, roads, and administrative areas. Place names can be modeled as raised text directly on the terrain and printed in the same build, avoiding the alignment and adhesion problems of separately applied labels. Vertical exaggeration may also be introduced when true-scale elevation would appear too flat for visitors to interpret easily.

The finishing strategy is intentionally different from that used for glossy commercial props. Instead of filling and sanding away the printed texture, the goal is to retain and strengthen its fine granular character. After loose powder is removed, epoxy infiltration hardens the fragile green part and deepens the printed colors. A matte clear topcoat then protects the surface without creating reflections that would obscure terrain detail.

Depending on the exhibit, the printed relief can be installed as a standalone map or expanded into a scenic diorama. Loose sand, model trees, grass, buildings, tracks, bridges, markers, and epoxy-resin water can add physical context while the printed terrain remains the geographic foundation. These models are suitable for museums, visitor centers, planning presentations, tourism displays, education, transportation projects, and environmental communication. Contact FacFox or upload your 3D files for a quote.

Challenge

EN: A terrain model must keep mountain ridges, valleys, coastlines, routes, boundaries, place names, and color zones readable after real geography is compressed to exhibition scale. Unlike glossy retail sculptures, these models should retain a fine granular texture that reinforces the visual character of rock, soil, snow, and vegetation rather than hiding it beneath filler and heavy paint.

Solution

  • Step 1: Collect and align the required elevation, contour, satellite, land-use, boundary, route, and place-name data for the selected geographic area.
  • Step 2: Generate a watertight terrain mesh, define the map scale, crop the boundary, and apply controlled vertical exaggeration when needed for legibility.
  • Step 3: Prepare the full-color surface texture and model place names, borders, roads, or other required information as integrated raised or recessed features.
  • Step 4: Segment oversized maps into manageable modules, check joints and color continuity, then produce the terrain in full-color sandstone using Binder Jetting.
  • Step 5: Excavate the fragile green parts from the powder bed and remove loose powder carefully from steep valleys, fine ridges, lettering, and recessed features.
  • Step 6: Infiltrate the printed terrain with epoxy resin to strengthen the sandstone composite and increase the saturation and depth of the printed colors.
  • Step 7: Apply a matte clear topcoat that protects the surface while preserving its granular terrain character and minimizing distracting reflections.
  • Step 8: Assemble the modules and add optional scenic elements such as loose sand, model trees, grass, structures, tracks, markers, and poured epoxy-resin water.