Air Slides – Lightweight, Breathable, Summer-Ready
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Description
Air Slides – Lightweight, Breathable, Summer-Ready
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🟡 Introduction
Air Slides are a fully 3D-printable pair of summer slippers designed for comfort, breathability, and ease of use — directly targeting the Chillin' Summer 2025 theme. Engineered for flexible filaments, these slides feature a ventilated insole, lightweight infill sole, and a soft mesh strap that adapts to your foot while allowing airflow from all sides.
Whether you're stepping out onto a sun-warmed balcony or keeping cool in your workshop, Air Slides help your feet breathe while offering reliable everyday comfort.
☀️ Usage Scenarios
✅🏡🧊 Ideal for casual use around the house, garden, workshop, balcony, or poolside on warm days.
⚠️⛰️🚶 Not suitable for hiking, rugged terrain, or long-distance walking due to the open structure and flexible material requirements.
🔍 Design Features
- Ventilated insole: Allows air to pass through the sole, reducing sweat buildup and improving comfort.
- Mesh-style strap: Open top design that conforms to your foot while maintaining breathability and flexibility.
- Infill midsole structure: Provides a cushioned feel while minimizing print time and material usage.
- Fully 3D printed: No additional parts required. Print-ready for flexible filaments like TPU.
📏 Sizing & Scaling
The chart below pairs European sizes with the matching foot dimensions and the scale factors you’ll need when EU 42 is your 1-to-1 reference.
- Find your size by length first.
Example: a 264 mm foot corresponds to EU 42, so scale the model to 100 %. Tweak width only if you’re unusually narrow or wide.
Say your width is 97 mm while the table gives 95.4 mm—after the uniform 100 % scale, stretch just the width axis by
97 ÷ 95.4 × 100 %= 101 %.
Update: Use the instole test print to check if the size will fit right and make adjustments
For most wearers a single, uniform scale taken straight from the table delivers a perfectly acceptable fit; width adjustments are really only needed for outliers.
| Shoe Size (EU) | Shoe Size (US) | Foot Length (mm) | Foot Width (mm) | Uniform Scale(vs EU 42 = 100 %) |
|---|---|---|---|---|
| 34.5 | 4.5 | 217.1 | 75.9 | 82.14 % |
| 35 | 5 | 220.2 | 77.2 | 83.34 % |
| 35.5 | 5.5 | 223.4 | 78.5 | 84.53 % |
| 36 | 5.5 | 226.5 | 79.8 | 85.72 % |
| 36.5 | 6 | 229.6 | 81.1 | 86.90 % |
| 37 | 6.5 | 232.8 | 82.4 | 88.10 % |
| 37.5 | 6.5 | 235.9 | 83.7 | 89.29 % |
| 38 | 7 | 239.0 | 85.0 | 90.48 % |
| 38.5 | 7.5 | 242.2 | 86.3 | 91.67 % |
| 39 | 7.5 | 245.3 | 87.6 | 92.86 % |
| 39.5 | 8 | 248.4 | 88.9 | 94.05 % |
| 40 | 8.5 | 251.6 | 90.2 | 95.24 % |
| 40.5 | 8.5 | 254.7 | 91.5 | 96.44 % |
| 41 | 9 | 257.8 | 92.8 | 97.62 % |
| 41.5 | 9.5 | 261.0 | 94.1 | 98.81 % |
| 42 | 9.5 | 264.1 | 95.4 | 100 % |
| 42.5 | 10 | 267.2 | 96.7 | 101.20 % |
| 43 | 10.5 | 270.4 | 98.0 | 102.39 % |
| 43.5 | 10.5 | 273.5 | 99.3 | 103.57 % |
| 44 | 11 | 276.6 | 100.6 | 104.77 % |
| 44.5 | 11.5 | 279.8 | 101.9 | 105.96 % |
| 45 | 11.5 | 282.9 | 103.2 | 107.15 % |
| 45.5 | 12 | 286.0 | 104.5 | 108.33 % |
| 46 | 12.5 | 289.2 | 105.8 | 109.52 % |
| 46.5 | 12.5 | 292.3 | 107.1 | 110.71 % |
| 47 | 13 | 295.4 | 108.4 | 111.90 % |
| 47.5 | 13.5 | 298.6 | 109.7 | 113.09 % |
| 48 | 13.5 | 301.7 | 111.0 | 114.27 % |
| 48.5 | 14 | 304.8 | 112.3 | 115.46 % |
| 49 | 14.5 | 308.0 | 113.6 | 116.65 % |
| 49.5 | 14.5 | 311.1 | 114.9 | 117.84 % |
| 50 | 15 | 314.2 | 116.2 | 119.03 % |
| 50.5 | 15.5 | 317.4 | 117.5 | 120.21 % |
| 51 | 15.5 | 320.5 | 118.8 | 121.40 % |
| 51.5 | 16 | 323.6 | 120.1 | 122.59 % |
| 52 | 16.5 | 326.8 | 121.4 | 123.78 % |
| 52.5 | 16.5 | 329.9 | 122.7 | 124.97 % |
| 53 | 17 | 333.0 | 124.0 | 126.16 % |
| 53.5 | 17.5 | 336.2 | 125.3 | 127.34 % |
| 54 | 17.5 | 339.3 | 126.6 | 128.53 % |
| 54.5 | 18 | 342.4 | 127.9 | 129.72 % |
| 55 | 18.5 | 345.6 | 129.2 | 130.91 % |
| 55.5 | 18.5 | 348.7 | 130.5 | 132.09 % |
💡 Maker's Note
These slides are not just functional — they demonstrate what’s possible with smart 3D printing for everyday life. Instead of buying plastic sandals for summer, print your own pair that’s custom-fit, breezy, and sustainably made at home.
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License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.


















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