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Considerations for this method
Pros:
- Much less material used than other topography methods
- Quick to laser cut
- Easy to set up laser files
- If model scale, given topography lines, and material thickness correspond, model can be prepared entirely in 2D
Cons:
- Any vertical surface more than a couple layers thick will be empty in the model
- So vertical surfaces (including buildings) must be modeled separately from topography
On this page
Material options
| (image) | METHOD | MATERIAL | COST ($/sf) | TIME: file prep | TIME: fab | TIME: assembly | TIME: total | GREEN QUOTIENT |
|---|---|---|---|---|---|---|---|---|
| Horizontal laser-cut topo (offset method) | 4ply museum board | $9.51 | 6 | 2.5 | 10 | 18.5 | ||
| Horizontal laser-cut topo (offset method) | 2ply museum board | $4.97 | 6 | 2.5 | 15? | 23.5 | ||
| Horizontal laser-cut topo (offset method) | crescent board | $9.51 | 6 | 2.5 | 10 | 18.5 |
File preparation
- Generate topography lines at a vertical distance that matches the thickness of your modeling material.
- Create pockets for buildings.
- Create pockets for buildings.
- Draw pieces for the sides of the model.
- Split the contours into two rhino layers, A and B (alternating every other level). Make a copy of all the contours next to the originals.
- In the first group, move layer A into your CUT layer and B into your ETCH layer.
- In the second group, move layer A into your ETCH layer and B into your CUT layer.
- Add any etching/hatching for roads, etc. to both groups.
Making the model
- Laser cut the two sets of contours and side pieces.
- To assemble the model, you'll glue up the pieces alternating between one set and the other.
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