Public engineering report
Winkle Standard Smokey Gray PLA Matte Gray

Public-data contract: This static report contains only allowlisted material identity, public links, canonical MSRP and existing Verified Material Summary / governed score outputs. It excludes raw specimen rows and non-public operational data.
Test coverage
Complete
Engineering axes
5/6
Public MSRP
$39.96 USD/kg
Material identity
| MaterialID | MAT0158 |
|---|---|
| Material | Winkle Standard Smokey Gray PLA Matte Gray |
| Manufacturer | Winkle |
| Product line | Standard |
| Base material | PLA |
| Category | Standard |
| Variant / finish | Matte |
| Reinforcement | — |
| Color | Gray |
Governed engineering profile
| Overall | 48/100 |
|---|---|
| Tensile | 26/100 |
| Impact | 42/100 |
| Stiffness | 65/100 |
| Consistency | 83/100 |
| Layer adhesion | 22/100 |
| Thermal | — |
| Best available axis | consistency |
Engineering score profile
Engineering radar
Selected material
Material average - PLA
Manufacturer average - Winkle
All axes use existing governed 0–100 engineering scores. Missing axes are shown at zero and remain listed as n/a elsewhere in the report.
Fixture thermal result
— · score — · method —
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Material and manufacturer context
| Metric | Selected material | Material average | Manufacturer average |
|---|---|---|---|
| Overall | 48/100 | 50/100 | 49/100 |
| Tensile | 26/100 | 29/100 | 31/100 |
| Impact | 42/100 | 24/100 | 21/100 |
| Stiffness | 65/100 | 87/100 | 85/100 |
| Consistency | 83/100 | 79/100 | 78/100 |
| Layer adhesion | 22/100 | 30/100 | 33/100 |
| Thermal | — | — | — |
Verified measurement results
Existing Verified Material Summary outputs. The public renderer does not read raw specimen rows or recalculate these values.
| Measurement | Average | Std. deviation | CV | Samples | Confidence |
|---|---|---|---|---|---|
| Tensile upright | 7.49 MPa | 2.36 MPa | 31.5% | 10 | 10/10 |
| Tensile flat | 33.884 MPa | 6.338 MPa | 18.7% | 10 | 10/10 |
| Impact upright | 133.129 kJ/m² | 15.459 kJ/m² | 11.6% | 10 | 10/10 |
| Impact flat | 706.673 kJ/m² | 33.165 kJ/m² | 4.7% | 10 | 10/10 |
| Stiffness modulus | 1962.896 MPa | — | — | — | — |
| Stiffness deflection | 2.765 mm | — | — | — | — |
Measurement provenance
Canonical per-module measured dates from SQLite, shown in unambiguous ISO format. Missing dates are not inferred.
| Module | Measured date |
|---|---|
| Tensile | Not recorded |
| Impact | Not recorded |
| Stiffness | Not recorded |
| Thermal | Not recorded |
Engineering interpretation
Summary: Winkle Standard Smokey Gray PLA Matte Gray has a specialized or limited engineering profile. It is below its material-family average by 2,3 points and below its manufacturer average by 1,3 points. Its strongest measured axis is Consistency, while the weakest axis is Layer Adhesion.
Data-driven review: Winkle Standard Smokey Gray PLA Matte Gray is best understood as a repeatable material for cosmetic, concept and low-load prototype work. Compared with the current verified dataset, it ranks better than 54% overall, is roughly aligned with the material-family average, and is roughly aligned with the manufacturer average. Its strongest engineering signal is Consistency, while Layer Adhesion is the main limitation to consider before using it for demanding applications.
Best feature
Consistency
Main limitation
Layer Adhesion
Dataset position
Better than 54%
108 / 234
Strengths
- Consistency: 83/100. Repeatability is one of the stronger signals in this material profile.
- Impact: 42/100. Impact behavior is competitive against the material-family context.
Limitations
- Tensile: 26/100. Avoid using this as the primary choice for tensile-loaded parts.
- Stiffness: 65/100. Expect less shape stability than the stronger materials in the same family.
- Layer adhesion: 22/100. Z-axis performance should be treated with caution.
Engineering trade-offs
- Good repeatability does not compensate for low tensile capability in load-bearing designs.
- The report should be read as a suitability warning rather than a general-purpose recommendation.
Recommended applications
- Repeatable print jobs and production-style batches
- Cosmetic parts, concept models or low-load prototypes
- Avoid high tensile load applications
Metric rankings and percentiles
| Metric | Score | Rank | Percentile |
|---|---|---|---|
| Overall | 48/100 | 108 / 234 | Better than 54% |
| Tensile | 26/100 | 141 / 226 | Better than 38% |
| Impact | 42/100 | 43 / 226 | Better than 81% |
| Stiffness | 65/100 | 168 / 223 | Better than 25% |
| Consistency | 83/100 | 40 / 231 | Better than 83% |
| Layer adhesion | 22/100 | 126 / 226 | Better than 45% |
| Thermal | — | — | — |
Decision guidance
- Use this material mainly for low-load, visual or experimental parts.
- Review the listed alternatives if the application needs stronger overall performance.
- Do not choose it as a tensile-strength benchmark material.
Better alternatives
| MaterialID | Material | Manufacturer | Overall | Tensile | Impact |
|---|---|---|---|---|---|
| MAT0069 | ProtoPasta HTPLA Blood of My Enemies PLA Red | ProtoPasta | 100/100 | — | — |
| MAT0079 | Polymaker PolyLight PLA Pro Black | Polymaker | 65/100 | 35/100 | 52/100 |
| MAT0109 | Polymaker PolyMax PLA Black | Polymaker | 64/100 | 32/100 | 62/100 |
Peer context
Highest-scoring same-base-material peers from the current governed dataset. This context is descriptive and is not recalculated by the public renderer.
| MaterialID | Material | Manufacturer | Overall | Tensile | Impact |
|---|---|---|---|---|---|
| MAT0069 | ProtoPasta HTPLA Blood of My Enemies PLA Red | ProtoPasta | 100/100 | — | — |
| MAT0079 | Polymaker PolyLight PLA Pro Black | Polymaker | 65/100 | 35/100 | 52/100 |
| MAT0109 | Polymaker PolyMax PLA Black | Polymaker | 64/100 | 32/100 | 62/100 |
| MAT0080 | Polymaker PolySonic PLA Pro Blue | Polymaker | 64/100 | 30/100 | 58/100 |
| MAT0076 | BambuLab Tough+ PLA Tough+ Black | BambuLab | 63/100 | 26/100 | 59/100 |
| MAT0108 | Polymaker PolyLight PLA Black | Polymaker | 61/100 | 33/100 | 14/100 |
| MAT0074 | Winkle Matte PLA Matte Red | Winkle | 60/100 | 34/100 | — |
| MAT0122 | Add:North Enhanced PLA Clear | Add:North | 59/100 | 40/100 | 10/100 |
Public links
Methodology and limitations
Results are comparative 3DPIceland measurements from home-built test equipment. Thermal is a nearby BlueDOT probe-indicated fixture temperature, not ASTM D648, ISO 75 or specimen temperature. Missing evidence remains n/a. Scores and test results are not recalculated by this publishing layer and do not replace certified manufacturer datasheets or accredited laboratory testing.