How to: sanding block improves efficiency 10 fold!
- Folding a quarter sheet of sandpaper into thirds is an old painters trick
- But this approach using the fingers to press on the paper caused limmited pressure points and inefficiency
- By wrapping the paper over a block of wood or foam will give you even pressure over the whole contact surface.
- Use your fingers as guides to keep abrasive paper away from scratching the glass.