Short answer: For tabletop terrain, choose FDM for large, sturdy pieces and resin for detail-rich small pieces. Print walls and ruins at 0.2 mm layer height with 8–10% infill, prime with filler-primed spray, and paint fast with contrast paints and drybrushing. One well-chosen print settings page saves you a spool of failed plastic.
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FDM vs. Resin Printers for Terrain
| FDM | Resin | |
|---|---|---|
| Best for | Large ruins, walls, hills | Small details, interior pieces |
| Build size | Large (typically 220×220×250 mm+) | Small (typically 130×80 mm) |
| Durability | Tough, game-safe | Brittle — drops crack it |
| Mess/ventilation | Minimal | Requires gloves + ventilation |
| Running cost | Cheap filament | Resin costs more per volume |
| Beginner verdict | First printer | Second printer, or for small models |
For a first terrain project, FDM wins: terrain is big, and big resin prints fail, smell and cost.
Best Settings for Clean, Sturdy Sci-Fi Walls and Ruins
- Layer height: 0.2 mm (0.28 mm acceptable for big blocks)
- Infill: 8–10% gyroid — terrain doesn’t need strength inside
- Walls (perimeters): 3 for tabletop durability
- Supports: tree supports for arches; orient flat faces upward to hide layer lines
- Speed: slow the first layer; speed barely matters on long straight walls
The dirty secret of terrain printing: layer lines are free texture. Concrete, cast metal and adobe surfaces read better with slight line texture. Reserve ultra-fine printing for display pieces.
Primer and Painting Prep for 3D Prints
- De-string and sand contact faces so pieces sit flush
- Fill deep layer lines on display surfaces with filler primer (one coat, sand, repeat once)
- Spray prime dark grey or black — dark prime hides the seams that survive
- Glue terrain to a base (MDF or foam board) — unbased prints warp and chip
Quick Contrast-Painting Methods for Large Pieces
Terrain is where speed techniques shine — one wall is “miniature surface” a hundred times over:
- Spray the base colour (grey-brown for ruins) — a rattle can does in minutes what a brush does in hours
- Contrast-style paint over the whole piece with a large brush — one pass, no blending
- Drybrush the raised edges in a lighter stone tone — this is 80% of the visual payoff
- Wash the lowest third darker to ground the piece
- Optional: pigments on horizontal ledges for dust (see easy weathering)
A full table of terrain (a dozen pieces) is a two-weekend project with this method.
Recommended Printers and Filaments
| Item | Why | Level |
|---|---|---|
| Beginner FDM printer | Large build volume beats fancy features | Beginner |
| PLA+ filament (grey) | Sturdy, hides lines, cheap | All |
| Filler primer spray | Smooths layer lines fast | All |
| Large drybrush set | Terrain-sized tools for terrain-sized jobs | All |
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FAQ
Is 3D printing terrain cheaper than buying it?
After the printer investment, yes — dramatically. A kilo of filament yields months of terrain for the price of two retail boxes.
Do I need to worry about licenses on printed models?
Yes — check each file’s license. Personal-use licenses forbid selling prints; many creators sell commercial licenses separately.
What size should tabletop terrain be?
Match your game’s scale: for 28–32 mm miniatures, walls 50–80 mm tall and ruins footprint 100–200 mm work well. Print one test piece before committing to a full table.
How do I make terrain survive transport?
Print in modular sections with flat contact faces, base everything, and store in a box with foam dividers.
Continue on the Workbench
- 👉 Kitbashing Guide: Unique Sci-Fi Miniatures — print bitz, not just walls
- 👉 Easy Weathering Techniques for Miniatures — pigments on printed concrete
- 👉 How to Paint Rust, Chipping and Battle Damage — ruins love rust
- 👉 7 Lost Expeditions Into the Warpstorm — wreck-terrain inspiration
A printed ruin beats an unplayed table. Print one wall section this week, paint it in one evening, and put it on the table. Shop beginner printers → (affiliate links)
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