STAEDTLER Mars Plastic Eraser Rigid Protective Case / Sleeve
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Heavy-duty protective sleeve for Staedtler Mars Plastic erasers. Replaces the fragile stock paper sheath.
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- Źródło
- Printables
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- Office
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
Overview
The original paper sleeves on Staedtler Mars Plastic vinyl erasers easily rip, wrinkle, and degrade over time. This design is a robust, rigid 3D-printed replacement sheath that snugly slides over standard Mars Plastic block erasers.
It prevents the eraser from snapping during heavy use, keeps your hands clean, and protects the vinyl block from accumulating dirt and lead dust in your pencil case or drafting bag.
Technical Features
Snug Friction Fit: Engineered to replicate the inner dimensions of the factory paper sleeve while providing a slight squeeze to prevent the eraser from sliding out on its own.
Ergonomic Design: Adds rigid sidewall support, making it much easier to apply controlled pressure during precise drafting or sketching.
Recommended Print Settings
Material: PLA, PETG, or TPU.
PLA works perfectly for a solid, rigid feel.
Flexible TPU offers a comfortable, rubbery, high-grip texture.
Layer Height: 0.2 mm is ideal.
Infill: 15% to 20% (density doesn't matter much due to thin walls).
Perimeters/Wall Loops: 2 or 3 (ensure the solid walls print completely solid with no gap in the middle).
Supports: None required. Print standing vertically flat on the bed.