id stringlengths 10 21 | images listlengths 14 14 | fold dict | difficulty stringclasses 1
value | strategy int64 4 8 | num_creases int64 4 8 |
|---|---|---|---|---|---|
multi_3v_4c_0000 | [
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"images/multi_3v_4c_0000_step_004_face_pos_z.png",
"images/multi_3v_4c_0000_step_004_face_neg_z.png",
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} | easy | 4 | 4 |
parallel_6c_rand_0000 | [
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"images/parallel_6c_rand_0000_step_006_face_neg_x.png",
"images/parallel_6c_rand_0000_step_006_face_pos_y.png",
"images/parallel_6c_rand_0000_step_006_face_neg_y.png",
"images/parallel_6c_rand_0000_step_006_face_pos_z.png",
"images/parallel_6c_rand_0... | {
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} | easy | 6 | 6 |
sv_8c_0001 | [
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"images/sv_8c_0001_step_008_face_neg_x.png",
"images/sv_8c_0001_step_008_face_pos_y.png",
"images/sv_8c_0001_step_008_face_neg_y.png",
"images/sv_8c_0001_step_008_face_pos_z.png",
"images/sv_8c_0001_step_008_face_neg_z.png",
"images/sv_8c_0001_step_008_corner... | {
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} | easy | 8 | 8 |
sv_8c_0000 | [
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"images/sv_8c_0000_step_008_face_neg_x.png",
"images/sv_8c_0000_step_008_face_pos_y.png",
"images/sv_8c_0000_step_008_face_neg_y.png",
"images/sv_8c_0000_step_008_face_pos_z.png",
"images/sv_8c_0000_step_008_face_neg_z.png",
"images/sv_8c_0000_step_008_corner... | {
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} | easy | 8 | 8 |
parallel_6c_rand_0001 | [
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"images/parallel_6c_rand_0001_step_006_face_pos_y.png",
"images/parallel_6c_rand_0001_step_006_face_neg_y.png",
"images/parallel_6c_rand_0001_step_006_face_pos_z.png",
"images/parallel_6c_rand_0... | {
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} | easy | 6 | 6 |
parallel_4c_even_0001 | [
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"images/parallel_4c_even_0001_step_004_face_neg_x.png",
"images/parallel_4c_even_0001_step_004_face_pos_y.png",
"images/parallel_4c_even_0001_step_004_face_neg_y.png",
"images/parallel_4c_even_0001_step_004_face_pos_z.png",
"images/parallel_4c_even_0... | {
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} | easy | 4 | 4 |
sv_6c_0001 | [
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"images/sv_6c_0001_step_006_face_pos_y.png",
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"images/sv_6c_0001_step_006_face_pos_z.png",
"images/sv_6c_0001_step_006_face_neg_z.png",
"images/sv_6c_0001_step_006_corner... | {
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} | easy | 6 | 6 |
grid4_4c_0000 | [
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"images/grid4_4c_0000_step_004_face_pos_y.png",
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"images/grid4_4c_0000_step_004_face_pos_z.png",
"images/grid4_4c_0000_step_004_face_neg_z.png",
"images/grid4_4c... | {
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} | easy | 4 | 4 |
multi_3v_4c_0001 | [
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} | easy | 4 | 4 |
grid4_6c_0000 | [
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"images/grid4_6c_0000_step_006_face_neg_x.png",
"images/grid4_6c_0000_step_006_face_pos_y.png",
"images/grid4_6c_0000_step_006_face_neg_y.png",
"images/grid4_6c_0000_step_006_face_pos_z.png",
"images/grid4_6c_0000_step_006_face_neg_z.png",
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} | easy | 6 | 6 |
sv_6c_0000 | [
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"images/sv_6c_0000_step_006_face_neg_x.png",
"images/sv_6c_0000_step_006_face_pos_y.png",
"images/sv_6c_0000_step_006_face_neg_y.png",
"images/sv_6c_0000_step_006_face_pos_z.png",
"images/sv_6c_0000_step_006_face_neg_z.png",
"images/sv_6c_0000_step_006_corner... | {
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} | easy | 6 | 6 |
parallel_4c_even_0000 | [
"images/parallel_4c_even_0000_step_004_face_pos_x.png",
"images/parallel_4c_even_0000_step_004_face_neg_x.png",
"images/parallel_4c_even_0000_step_004_face_pos_y.png",
"images/parallel_4c_even_0000_step_004_face_neg_y.png",
"images/parallel_4c_even_0000_step_004_face_pos_z.png",
"images/parallel_4c_even_0... | {
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} | easy | 4 | 4 |
Origami Direct Crease Pattern Dataset
A multiview image dataset for training models to predict complete origami crease patterns from 3D visualizations.
Task
Given 14 camera views of a folded origami shape, predict the complete crease pattern as a FOLD JSON (vertices, edges, mountain/valley assignments).
Dataset Structure
Each example contains:
| Field | Type | Description |
|---|---|---|
id |
string | Unique sample ID (e.g., grid4_4c_0000) |
images |
list[string] | 14 PNG paths — 6 face views + 8 corner views |
fold |
dict | Complete crease pattern in FOLD format |
difficulty |
string | "easy", "medium", or "hard" |
num_creases |
int | Number of mountain/valley creases |
Camera Views (14 per example)
- 6 face views:
face_pos_x,face_neg_x,face_pos_y,face_neg_y,face_pos_z,face_neg_z - 8 corner views:
corner_ppp,corner_ppn,corner_pnp,corner_pnn,corner_npp,corner_npn,corner_nnp,corner_nnn
Splits
| Split | Examples |
|---|---|
| train | 12 |
| val | 1 |
| test | 2 |
Pattern Strategies
| Strategy | Description | Interior vertices |
|---|---|---|
grid |
Creases on NxN grid | Grid intersections |
singlevertex |
Radial creases from center | 1 (center) |
multivertex |
Random interior connections | N random points |
parallel |
Parallel lines at an angle | None |
Usage
from datasets import load_dataset
from PIL import Image
ds = load_dataset("YOUR_USERNAME/origami-direct")
example = ds["train"][0]
print(example["id"]) # "grid4_4c_0000"
print(len(example["images"])) # 14
print(example["num_creases"]) # 4
# Access the complete crease pattern
fold = example["fold"]
print(fold["edges_assignment"]) # ["B", "B", ..., "M", "V", ...]
# Load a view
img = Image.open(example["images"][6]) # corner_ppp
FOLD Format
The fold field uses the FOLD format (JSON-based):
{
"vertices_coords": [[0, 0], [0.5, 0], ...],
"edges_vertices": [[0, 1], [1, 2], ...],
"edges_assignment": ["B", "M", "V", ...],
"edges_foldAngle": [0, -180, 180, ...],
"faces_vertices": [[0, 1, 2], ...]
}
Edge assignments: B = boundary, M = mountain, V = valley, F = flat (structural).
Generation
Generated using OrigamiAnnotator with rendering via OrigamiSimulator.
- Crease patterns built via tree search with Kawasaki/Maekawa theorem verification
- 3D renderings produced by OrigamiSimulator (GPU physics simulation) at 60% fold
- Post-simulation intersection checking for quality filtering
Related
- origami-step-by-step — step-by-step version of this dataset (predict one crease at a time)
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